Professor Wilton decided to test the hypothesis that people with blonde hair have more fun than people with other hair colors. Wilton surveyed 1600 people and obtained the following results. Hair Color \[\begin{array} { l l l l l } \text { Amount of Fun } & \text { Blondes } & \text { Redhead } & \text { Other } & \text { Total } \\ \hline \text { Lots of fun } & 250 & 50 & 300 & 600 \\ \hline \text { Some fun } & 100 & 200 & 100 & 400 \\ \text { No fun } & 150 & 150 & 300 & 600 \\ \text { Total } & 500 & 400 & 700 & 1600 \end{array}\] For this hypothesis, the BEST way to percentage the table is are)

A) within rows, across. B) divide each cell by 1600. C) within columns, down. D) all of the above. A) within rows, across. B) divide each cell by 1600. C) within columns, down. D) all of the above.

Refer to the information provided in Table 12.3 below to answer the questions that follow. Table 12.3: Annual Family Income and Education* Statistics for Three Neighborhoods \[\begin{array} { l | llllll } & { \text { GLENBROOK } } && { \text { MEADOWBROOK } } && { \text { ELMBROOK } } \\ & \text { Income } & \text { Education } & \text { Income } & \text { Education } & \text { Income } & \text { Education } \\ \hline \text { Mean } & \$ 78,000 & 17 \text { Years } & \$ 28,000 & 15 \text { Years } & \$ 16,000 & 11 \text { Years } \\ \text { Median } & \$ 27,000 & 18 & \$ 28,000 & 16 & \$ 18,000 & 11 \\ \text { Mode } & \$ 26,000 & 20 & \$ 28,000 & 11 & \$ 14,000 & 11 \\ \text { Stand Dev. } & \$ 8,000 & 3 & \$ 2,000 & 6 & \$ 3,000 & 1.0 \\ \text { (N) } & ( 300 ) & & ( 300 ) & & ( 300 ) & \end{array}\] *4 yrs college = 16 yrs; masters/law degrees = 18 yrs; Ph.D/MD degrees = 20 yrs. -Which neighborhood has half or more who have completed a Masters, Ph.D, MD, law degree?

A) Glenbrook B) Meadowbrook C) Elmbrook D) Can't tell from this table A) Glenbrook B) Meadowbrook C) Elmbrook D) Can't tell from this table

Use the information in this table to answer the following questions. \[\begin{array} { c l l } \text { TYPE OF CRIME } & \text { Male } & \text { Female } \\ \hline \text { Violent } & 20 \% & 10 \% \\ \hline \text { Property } & 80 \% & 90 \% \\ & 100 \% & 100 \% \\ & ( 800 ) & ( 400 ) \end{array}\] -Among the violent offenders, what is the ratio of males to females?

A) 4 males to 1 female, or 4:1 B) 2 males to 3 females, or 2:3 C) 1 male to 1 female, or 1:1 D) 2 males to 1 female, or 2:1 A) 4 males to 1 female, or 4:1 B) 2 males to 3 females, or 2:3 C) 1 male to 1 female, or 1:1 D) 2 males to 1 female, or 2:1

Refer to the information provided in Table 12.3 below to answer the questions that follow. Table 12.3: Annual Family Income and Education* Statistics for Three Neighborhoods \[\begin{array} { l | llllll } & { \text { GLENBROOK } } && { \text { MEADOWBROOK } } && { \text { ELMBROOK } } \\ & \text { Income } & \text { Education } & \text { Income } & \text { Education } & \text { Income } & \text { Education } \\ \hline \text { Mean } & \$ 78,000 & 17 \text { Years } & \$ 28,000 & 15 \text { Years } & \$ 16,000 & 11 \text { Years } \\ \text { Median } & \$ 27,000 & 18 & \$ 28,000 & 16 & \$ 18,000 & 11 \\ \text { Mode } & \$ 26,000 & 20 & \$ 28,000 & 11 & \$ 14,000 & 11 \\ \text { Stand Dev. } & \$ 8,000 & 3 & \$ 2,000 & 6 & \$ 3,000 & 1.0 \\ \text { (N) } & ( 300 ) & & ( 300 ) & & ( 300 ) & \end{array}\] *4 yrs college = 16 yrs; masters/law degrees = 18 yrs; Ph.D/MD degrees = 20 yrs. -Which neighborhood has a tiny number of very high income people, while more families earn $26,000 than any other amount?

A) Glenbrook B) Meadowbrook C) Elmbrook D) Can't tell from this table A) Glenbrook B) Meadowbrook C) Elmbrook D) Can't tell from this table

Use the information in Table 12.2 to answer the following questions. \[\text { Table } 12.2\] \[\begin{array}{c} \begin{array} { l | cccccccc } \text { Amount of } & &&&&{ \text { Average Hours of TV Watched Per Week } } \\ \text { Formal Education } & 0 - 5 & 6 - 10 & 11 - 15 & 16 - 20 & 21 - 25 & 26 - 30 & \text { Over 30 } & \text { TOTAL } \\ \hline \text { 0-8 Years } & 0 \% & 0 & 5 & 10 & 15 & 20 & 50 & 100 \% \\ \text { 9-11 Years } & 0 \% & 5 & 10 & 15 & 20 & 20 & 30 & 100 \% \\ \text { 12, HS Grad } & 0 \% & 10 & 10 & 10 & 30 & 20 & 20 & 100 \% \\ \text { 13-15 Years } & 10 \% & 10 & 10 & 20 & 25 & 15 & 10 & 100 \% \\ \text { 16, BA Degree } & 20 \% & 20 & 15 & 15 & 15 & 10 & 5 & 100 \% \\ \text { 17-18 Years } & 30 \% & 20 & 20 & 20 & 10 & 0 & 0 & 100 \% \\ \text { 19 or More } & 50 \% & 30 & 10 & 10 & 0 & 0 & 0 & 100 \% \end{array} \end{array}\] -Which best expresses the bivariate relationship between the amount of education and amount of television watched per week?

A) non-linear B) independent C) positive D) negative A) non-linear B) independent C) positive D) negative

Use the information in Table 12.2 to answer the following questions. \[\text { Table } 12.2\] \[\begin{array}{c} \begin{array} { l | cccccccc } \text { Amount of } & &&&&{ \text { Average Hours of TV Watched Per Week } } \\ \text { Formal Education } & 0 - 5 & 6 - 10 & 11 - 15 & 16 - 20 & 21 - 25 & 26 - 30 & \text { Over 30 } & \text { TOTAL } \\ \hline \text { 0-8 Years } & 0 \% & 0 & 5 & 10 & 15 & 20 & 50 & 100 \% \\ \text { 9-11 Years } & 0 \% & 5 & 10 & 15 & 20 & 20 & 30 & 100 \% \\ \text { 12, HS Grad } & 0 \% & 10 & 10 & 10 & 30 & 20 & 20 & 100 \% \\ \text { 13-15 Years } & 10 \% & 10 & 10 & 20 & 25 & 15 & 10 & 100 \% \\ \text { 16, BA Degree } & 20 \% & 20 & 15 & 15 & 15 & 10 & 5 & 100 \% \\ \text { 17-18 Years } & 30 \% & 20 & 20 & 20 & 10 & 0 & 0 & 100 \% \\ \text { 19 or More } & 50 \% & 30 & 10 & 10 & 0 & 0 & 0 & 100 \% \end{array} \end{array}\] -In a data set with 100 columns of information, columns 18-23 contain data on respondent income. This set of columns is known as a

A) case. B) data field. C) data record. D) record length. A) case. B) data field. C) data record. D) record length.

Refer to the information provided in Table 12.3 below to answer the questions that follow. Table 12.3: Annual Family Income and Education* Statistics for Three Neighborhoods \[\begin{array} { l | llllll } & { \text { GLENBROOK } } && { \text { MEADOWBROOK } } && { \text { ELMBROOK } } \\ & \text { Income } & \text { Education } & \text { Income } & \text { Education } & \text { Income } & \text { Education } \\ \hline \text { Mean } & \$ 78,000 & 17 \text { Years } & \$ 28,000 & 15 \text { Years } & \$ 16,000 & 11 \text { Years } \\ \text { Median } & \$ 27,000 & 18 & \$ 28,000 & 16 & \$ 18,000 & 11 \\ \text { Mode } & \$ 26,000 & 20 & \$ 28,000 & 11 & \$ 14,000 & 11 \\ \text { Stand Dev. } & \$ 8,000 & 3 & \$ 2,000 & 6 & \$ 3,000 & 1.0 \\ \text { (N) } & ( 300 ) & & ( 300 ) & & ( 300 ) & \end{array}\] *4 yrs college = 16 yrs; masters/law degrees = 18 yrs; Ph.D/MD degrees = 20 yrs. -Which neighborhood has the smallest average variation distribution) among the incomes of families?

A) Glenbrook B) Meadowbrook C) Elmbrook D) The neighborhoods vary little in average variation. A) Glenbrook B) Meadowbrook C) Elmbrook D) The neighborhoods vary little in average variation.

A) 8 B) 8.5 C) 10 D) 9.5 A) 8 B) 8.5 C) 10 D) 9.5

Refer to the information provided in Table 12.3 below to answer the questions that follow. Table 12.3: Annual Family Income and Education* Statistics for Three Neighborhoods \[\begin{array} { l | llllll } & { \text { GLENBROOK } } && { \text { MEADOWBROOK } } && { \text { ELMBROOK } } \\ & \text { Income } & \text { Education } & \text { Income } & \text { Education } & \text { Income } & \text { Education } \\ \hline \text { Mean } & \$ 78,000 & 17 \text { Years } & \$ 28,000 & 15 \text { Years } & \$ 16,000 & 11 \text { Years } \\ \text { Median } & \$ 27,000 & 18 & \$ 28,000 & 16 & \$ 18,000 & 11 \\ \text { Mode } & \$ 26,000 & 20 & \$ 28,000 & 11 & \$ 14,000 & 11 \\ \text { Stand Dev. } & \$ 8,000 & 3 & \$ 2,000 & 6 & \$ 3,000 & 1.0 \\ \text { (N) } & ( 300 ) & & ( 300 ) & & ( 300 ) & \end{array}\] *4 yrs college = 16 yrs; masters/law degrees = 18 yrs; Ph.D/MD degrees = 20 yrs. -Which neighborhood has a heavily skewed income distribution?

A) Glenbrook B) Meadowbrook C) Elmbrook D) No neighborhood is skewed. A) Glenbrook B) Meadowbrook C) Elmbrook D) No neighborhood is skewed.

A) 8 B) 8.5 C) 10 D) 9.5 A) 8 B) 8.5 C) 10 D) 9.5

Refer to the information provided in Table 12.1 below to answer the questions that follow. Table 12.1: 2001 survey of 1,000 randomly selected adult residents of Seattle, Years of schooling by whether or not one agrees with the statement, "Seattle should require the registration of hand guns with the city police department." \[\begin{array} { l | c c c c c c } \text { Years }& \text { Strongly } && &{ \text { Strongly } } \\ \text { of School }&\text { Agree } & \text { Agree } & \text { Disagree } & \text { Disagree } & \text { Total } & ( \mathrm { N } ) \\ \hline \text { Under } 8 & 30 \% & 25 \% & 30 \% & 15 \% & 100 \% & ( 100 ) \\ 8 - 11 & 35 \% & 20 \% & 30 \% & 15 \% & 100 \% & ( 100 ) \\ 12 & 40 \% & 30 \% & 15 \% & 5 \% & 100 \% & ( 200 ) \\ 13 - 15 & 50 \% & 25 \% & 20 \% & 5 \% & 100 \% & ( 300 ) \\ 16 & 60 \% & 25 \% & 10 \% & 5 \% & 100 \% & ( 200 ) \\ 17 \text { or more } & 80 \% & 10 \% & 5 \% & 5 \% & 100 \% & ( 100 ) \end{array}\] -What does this table show?

A) There is no relationship between amount of formal schooling and support for gun registration. The null hypothesis is not rejected. B) A majority of people with 12 or fewer years of schooling oppose disagree or strongly disagree) with gun registration. C) More of the 1,000 people surveyed Strongly Agree with gun registration than the total number who disagree or strongly disagree combined. D) There is a negative relationship between amount of schooling and support for gun registration. A) There is no relationship between amount of formal schooling and support for gun registration. The null hypothesis is not rejected. B) A majority of people with 12 or fewer years of schooling oppose disagree or strongly disagree) with gun registration. C) More of the 1,000 people surveyed Strongly Agree with gun registration than the total number who disagree or strongly disagree combined. D) There is a negative relationship between amount of schooling and support for gun registration.

Exam 12: Analysis of Quantitative Data

Professor Wilton decided to test the hypothesis that people with blonde hair have more fun than people with other hair colors. Wilton surveyed 1600 people and obtained the following results. Hair Color Amount of Fun Blondes Redhead Other Total Lots of fun 250 50 300 600 Some fun 100 200 100 400 No fun 150 150 300 600 Total 500 400 700 1600 For this hypothesis, the BEST way to percentage the table is are)

(Multiple Choice)

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Question 21

Explain Type I and Type II errors. When are Type I errors most likely to occur? When are Type II errors most likely to occur?

(Essay)

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Question 22

Refer to the information provided in Table 12.3 below to answer the questions that follow. Table 12.3: Annual Family Income and Education* Statistics for Three Neighborhoods GLENBROOK MEADOWBROOK ELMBROOK Income Education Income Education Income Education Mean \ 78,000 17 Years \ 28,000 15 Years \ 16,000 11 Years Median \ 27,000 18 \ 28,000 16 \ 18,000 11 Mode \ 26,000 20 \ 28,000 11 \ 14,000 11 Stand Dev. \ 8,000 3 \ 2,000 6 \ 3,000 1.0 (N) (300) (300) (300) *4 yrs college = 16 yrs; masters/law degrees = 18 yrs; Ph.D/MD degrees = 20 yrs. -Which neighborhood has half or more who have completed a Masters, Ph.D, MD, law degree?

(Multiple Choice)

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Question 23

Use the information in this table to answer the following questions. TYPE OF CRIME Male Female Violent 20\% 10\% Property 80\% 90\% 100\% 100\% (800) (400) -Among the violent offenders, what is the ratio of males to females?

(Multiple Choice)

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Question 24

Refer to the information provided in Table 12.3 below to answer the questions that follow. Table 12.3: Annual Family Income and Education* Statistics for Three Neighborhoods GLENBROOK MEADOWBROOK ELMBROOK Income Education Income Education Income Education Mean \ 78,000 17 Years \ 28,000 15 Years \ 16,000 11 Years Median \ 27,000 18 \ 28,000 16 \ 18,000 11 Mode \ 26,000 20 \ 28,000 11 \ 14,000 11 Stand Dev. \ 8,000 3 \ 2,000 6 \ 3,000 1.0 (N) (300) (300) (300) *4 yrs college = 16 yrs; masters/law degrees = 18 yrs; Ph.D/MD degrees = 20 yrs. -Which neighborhood has a tiny number of very high income people, while more families earn $26,000 than any other amount?

(Multiple Choice)

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Question 25

Use the information in Table 12.2 to answer the following questions. $\text { Table } 12.2$ Amount of Average Hours of TV Watched Per Week Formal Education 0-5 6-10 11-15 16-20 21-25 26-30 Over 30 TOTAL 0-8 Years 0\% 0 5 10 15 20 50 100\% 9-11 Years 0\% 5 10 15 20 20 30 100\% 12, HS Grad 0\% 10 10 10 30 20 20 100\% 13-15 Years 10\% 10 10 20 25 15 10 100\% 16, BA Degree 20\% 20 15 15 15 10 5 100\% 17-18 Years 30\% 20 20 20 10 0 0 100\% 19 or More 50\% 30 10 10 0 0 0 100\% -Which best expresses the bivariate relationship between the amount of education and amount of television watched per week?

(Multiple Choice)

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Question 26

What percentage of Whites, who strongly accept the idea of a close relative marrying a Black person also support increased immigration into the United States?

(Multiple Choice)

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Question 27

Use the information in Table 12.2 to answer the following questions. $\text { Table } 12.2$ Amount of Average Hours of TV Watched Per Week Formal Education 0-5 6-10 11-15 16-20 21-25 26-30 Over 30 TOTAL 0-8 Years 0\% 0 5 10 15 20 50 100\% 9-11 Years 0\% 5 10 15 20 20 30 100\% 12, HS Grad 0\% 10 10 10 30 20 20 100\% 13-15 Years 10\% 10 10 20 25 15 10 100\% 16, BA Degree 20\% 20 15 15 15 10 5 100\% 17-18 Years 30\% 20 20 20 10 0 0 100\% 19 or More 50\% 30 10 10 0 0 0 100\% -In a data set with 100 columns of information, columns 18-23 contain data on respondent income. This set of columns is known as a

(Multiple Choice)

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Question 28

Susan weighs 140 pounds. You learn the mean weight is 130 pounds for the women in her sorority and the standard deviation is 10 pounds. What is Susan's z-score in the distribution weight in the sorority?

(Multiple Choice)

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Question 29

Looking at data from the above two tables, which of the following is TRUE?

(Multiple Choice)

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Question 30

Refer to the information provided in Table 12.3 below to answer the questions that follow. Table 12.3: Annual Family Income and Education* Statistics for Three Neighborhoods GLENBROOK MEADOWBROOK ELMBROOK Income Education Income Education Income Education Mean \ 78,000 17 Years \ 28,000 15 Years \ 16,000 11 Years Median \ 27,000 18 \ 28,000 16 \ 18,000 11 Mode \ 26,000 20 \ 28,000 11 \ 14,000 11 Stand Dev. \ 8,000 3 \ 2,000 6 \ 3,000 1.0 (N) (300) (300) (300) *4 yrs college = 16 yrs; masters/law degrees = 18 yrs; Ph.D/MD degrees = 20 yrs. -Which neighborhood has the smallest average variation distribution) among the incomes of families?

(Multiple Choice)

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Question 31

Professor Rodriguez found a strong positive relationship between the number of extra-curricular activities in high school and occupational success as an adult. She then controlled for the respondents' family class background upon beginning high school and the relationship vanished. In the elaboration paradigm, this is called

(Multiple Choice)

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Question 32

The mode is

(Multiple Choice)

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Question 33

My daughter wears a size 2 jacket. She went to her favorite clothing store and found that the mean size of the store's stock of jackets is a size 10 with a standard deviation of 4 sizes. What is her z-score in the distribution of the store's jackets?

(Multiple Choice)

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Question 34

An example of multivariate analysis would be

(Multiple Choice)

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Question 35

Refer to the information provided in Table 12.3 below to answer the questions that follow. Table 12.3: Annual Family Income and Education* Statistics for Three Neighborhoods GLENBROOK MEADOWBROOK ELMBROOK Income Education Income Education Income Education Mean \ 78,000 17 Years \ 28,000 15 Years \ 16,000 11 Years Median \ 27,000 18 \ 28,000 16 \ 18,000 11 Mode \ 26,000 20 \ 28,000 11 \ 14,000 11 Stand Dev. \ 8,000 3 \ 2,000 6 \ 3,000 1.0 (N) (300) (300) (300) *4 yrs college = 16 yrs; masters/law degrees = 18 yrs; Ph.D/MD degrees = 20 yrs. -Which neighborhood has a heavily skewed income distribution?

(Multiple Choice)

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Question 36

Explain why a researcher uses a codebook. How does a codebook set the stage for accurate data analysis?

(Essay)

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Question 37

The median is

(Multiple Choice)

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Question 38

Refer to the information provided in Table 12.1 below to answer the questions that follow. Table 12.1: 2001 survey of 1,000 randomly selected adult residents of Seattle, Years of schooling by whether or not one agrees with the statement, "Seattle should require the registration of hand guns with the city police department." Years Strongly Strongly of School Agree Agree Disagree Disagree Total () Under 8 30\% 25\% 30\% 15\% 100\% (100) 8-11 35\% 20\% 30\% 15\% 100\% (100) 12 40\% 30\% 15\% 5\% 100\% (200) 13-15 50\% 25\% 20\% 5\% 100\% (300) 16 60\% 25\% 10\% 5\% 100\% (200) 17 or more 80\% 10\% 5\% 5\% 100\% (100) -What does this table show?

(Multiple Choice)

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Question 39

Phyllis found a strong relationship between a student's level of academic achievement and whether that student came from a single parent and two-parent home. She controlled for the student's race in a trivariate table. She then found that the relationship held only for Asian students. In the elaboration paradigm, this is an example of

(Multiple Choice)

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Question 40

Explain Type I and Type II errors. When are Type I errors most likely to occur? When are Type II errors most likely to occur?

Use the information in this table to answer the following questions. TYPE OF CRIME Male Female Violent 20\% 10\% Property 80\% 90\% 100\% 100\% (800) (400) -Among the violent offenders, what is the ratio of males to females?

What percentage of Whites, who strongly accept the idea of a close relative marrying a Black person also support increased immigration into the United States?

Susan weighs 140 pounds. You learn the mean weight is 130 pounds for the women in her sorority and the standard deviation is 10 pounds. What is Susan's z-score in the distribution weight in the sorority?

Looking at data from the above two tables, which of the following is TRUE?

The mode is

My daughter wears a size 2 jacket. She went to her favorite clothing store and found that the mean size of the store's stock of jackets is a size 10 with a standard deviation of 4 sizes. What is her z-score in the distribution of the store's jackets?

An example of multivariate analysis would be

Explain why a researcher uses a codebook. How does a codebook set the stage for accurate data analysis?

The median is

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