Question 1

Which of the following statements about the following numbers is true: 2,7,6,9,4,6,2,8?

Accepted Answer

A) The median is a whole number 
B) The distribution is bimodal 
C) The mean is higher than half of the numbers in the distribution 
D) A and B 
E) A and C 
A) The median is a whole number 
B) The distribution is bimodal 
C) The mean is higher than half of the numbers in the distribution 
D) A and B 
E) A and C B

Question 2

You discover that the years of marriage before a divorce for nine whites and nine nonwhites are as follows:Whites 12,1,8,9,10,17,3,6,6 Non-Whites 1,9,15,18,11,13,14,7,3
 
Which statement about this data is true?

Accepted Answer

A) There is no difference in the range for the two groups. 
B) The median years of marriage prior to divorce is three years longer for whites than nonwhites. 
C) The mean years of marriage prior to divorce are the same for both groups. 
D) On average,nonwhites stay married longer prior to divorce than whites. 
E) The mode for the two groups is the same. 
A) There is no difference in the range for the two groups. 
B) The median years of marriage prior to divorce is three years longer for whites than nonwhites. 
C) The mean years of marriage prior to divorce are the same for both groups. 
D) On average,nonwhites stay married longer prior to divorce than whites. 
E) The mode for the two groups is the same. D

Question 3

Fatima Fashionista wears a size 2 blazer.She went to her favourite clothing store and found that the mean size of the store's stock of blazers is a size 10 with a standard deviation of 4 sizes.What is her z-score in the distribution of the store's blazers?

Accepted Answer

A) zero 
B) 1 
C) 2 
D) -1.5 
E) -2 
A) zero 
B) 1 
C) 2 
D) -1.5 
E) -2 E

Question 4

Define the following:multiple regression

Accepted Answer

Multiple regression is a statistical tec

Question 5

If the true situation in the world is that there is a causal relationship,but a researcher states that there is no causal relationship,what error occurs?

Accepted Answer

A) Type I 
B) Type II 
C) Falsely reject the null hypothesis 
D) Falsely accept the null hypothesis 
E) B and D 
A) Type I 
B) Type II 
C) Falsely reject the null hypothesis 
D) Falsely accept the null hypothesis 
E) B and D

Question 6

Which of the following is an example of a multivariate statistic?

Accepted Answer

A) Multiple regression 
B) Standard deviation 
C) Z-score 
D) Chi-square 
E) Age 
A) Multiple regression 
B) Standard deviation 
C) Z-score 
D) Chi-square 
E) Age

Question 7

Define the following:standard deviation

Accepted Answer

Standard deviation is a statistical meas

Question 8

A "codebook" is

Accepted Answer

A) only used in existing statistics research. 
B) a document that tells the researcher where variables are located in the data file and what numbers go with what variable attributes. 
C) the set of instructions that tell interviewers or experimenters how to treat respondents or subjects. 
D) an unnecessary part of data analysis since computers were invented. 
E) a sheet of paper with a grid of 80 columns corresponding to data card columns,with rows representing an individual card. 
A) only used in existing statistics research. 
B) a document that tells the researcher where variables are located in the data file and what numbers go with what variable attributes. 
C) the set of instructions that tell interviewers or experimenters how to treat respondents or subjects. 
D) an unnecessary part of data analysis since computers were invented. 
E) a sheet of paper with a grid of 80 columns corresponding to data card columns,with rows representing an individual card.

Question 9

Describe each of the three measures of central tendency.What are the main differences between them? How are they affected by a normal versus a skewed distribution of data?

Accepted Answer

The three measures of central tendency a

Question 10

Which neighbourhood(s)has the smallest differences in family income?

Accepted Answer

A) Glenbrook 
B) Meadowbrook 
C) Elmbrook 
D) Glenbrook and Elmbrook 
E) Meadowbrook and Elmbrook 
A) Glenbrook 
B) Meadowbrook 
C) Elmbrook 
D) Glenbrook and Elmbrook 
E) Meadowbrook and Elmbrook

Question 11

Calculate the median for the following six shoe sizes: 9,10,10,8,12,11.

Accepted Answer

A) 8 
B) 8.5 
C) 9 
D) 9.5 
E) 10 
A) 8 
B) 8.5 
C) 9 
D) 9.5 
E) 10

Question 12

Define the following:partials

Accepted Answer

The term "partials" can refer to differe

Question 13

Your research assistant finds a positive relationship between mother's education and income at age 40.The relationship remained after controlling for the family's social class.This means that

Accepted Answer

A) social class is really the causal variable. 
B) social class does not have an impact on the relationship. 
C) the original relationship is spurious. 
D) income is caused by neither the mother&#8217;s education level nor her social class. 
E) the mother&#8217;s education has no effect on her future income. 
A) social class is really the causal variable. 
B) social class does not have an impact on the relationship. 
C) the original relationship is spurious. 
D) income is caused by neither the mother&#8217;s education level nor her social class. 
E) the mother&#8217;s education has no effect on her future income.

Question 14

What should you see in a scattergram if the bivariate relationship depicted in the scattergram is characterized by a high level of precision?

Accepted Answer

A) Data points widely spread around the line 
B) Data points hugging the line 
C) A low number of data points 
D) A high number of data points 
E) A curved line 
A) Data points widely spread around the line 
B) Data points hugging the line 
C) A low number of data points 
D) A high number of data points 
E) A curved line

Question 15

Define the following:precision

Accepted Answer

Precision, in the context of measurement

Question 16

Which neighbourhood(s)has the greatest differences in family income?

Accepted Answer

A) Glenbrook 
B) Meadowbrook 
C) Elmbrook 
D) Glenbrook and Elmbrook 
E) Meadowbrook and Elmbrook 
A) Glenbrook 
B) Meadowbrook 
C) Elmbrook 
D) Glenbrook and Elmbrook 
E) Meadowbrook and Elmbrook

Question 17

Explain how a researcher codes,enters,and cleans data so that it can be used for statistical analysis.What procedures are involved in each of these steps?

Accepted Answer

Coding, entering, and cleaning data are

Question 18

Which neighbourhood(s)has an income distribution resembling a normal curve?

Accepted Answer

A) Glenbrook 
B) Meadowbrook 
C) Elmbrook 
D) Glenbrook and Elmbrook 
E) Meadowbrook and Elmbrook 
A) Glenbrook 
B) Meadowbrook 
C) Elmbrook 
D) Glenbrook and Elmbrook 
E) Meadowbrook and Elmbrook

Question 19

Define the following:codebook

Accepted Answer

A codebook is a document used in data co

Question 20

Define the following:marginals

Accepted Answer

The term "marginals" can refer to differ

Which of the following statements about the following numbers is true: 2,7,6,9,4,6,2,8?

You discover that the years of marriage before a divorce for nine whites and nine nonwhites are as follows:Whites 12,1,8,9,10,17,3,6,6 Non-Whites 1,9,15,18,11,13,14,7,3 Which statement about this data is true?

Fatima Fashionista wears a size 2 blazer.She went to her favourite clothing store and found that the mean size of the store's stock of blazers is a size 10 with a standard deviation of 4 sizes.What is her z-score in the distribution of the store's blazers?

Define the following:multiple regression

If the true situation in the world is that there is a causal relationship,but a researcher states that there is no causal relationship,what error occurs?

Which of the following is an example of a multivariate statistic?

Define the following:standard deviation

A "codebook" is

Describe each of the three measures of central tendency.What are the main differences between them? How are they affected by a normal versus a skewed distribution of data?

Which neighbourhood(s)has the smallest differences in family income?

Calculate the median for the following six shoe sizes: 9,10,10,8,12,11.

Define the following:partials

Your research assistant finds a positive relationship between mother's education and income at age 40.The relationship remained after controlling for the family's social class.This means that

What should you see in a scattergram if the bivariate relationship depicted in the scattergram is characterized by a high level of precision?

Define the following:precision

Which neighbourhood(s)has the greatest differences in family income?

Explain how a researcher codes,enters,and cleans data so that it can be used for statistical analysis.What procedures are involved in each of these steps?

Which neighbourhood(s)has an income distribution resembling a normal curve?

Define the following:codebook

Define the following:marginals

Doing Social Research

Theory and Social Research

Ethics in Social Research

Reviewing the Scholarly Literature and Planning a Study

Designing a Study

Qualitative and Quantitative Measurement

Qualitative and Quantitative Sampling

Survey Research

Experimental Research

Nonreactive Quantitative Research and Secondary Analysis

Qualitative Interviewing

Field Research

Nonreactive Qualitative Research

Analysis of Qualitative Data

Combining Methods in Social Science Research

Filters

Exam 11: Analysis of Quantitative Data

Which of the following statements about the following numbers is true: 2,7,6,9,4,6,2,8?

You discover that the years of marriage before a divorce for nine whites and nine nonwhites are as follows:Whites 12,1,8,9,10,17,3,6,6 Non-Whites 1,9,15,18,11,13,14,7,3 Which statement about this data is true?

Fatima Fashionista wears a size 2 blazer.She went to her favourite clothing store and found that the mean size of the store's stock of blazers is a size 10 with a standard deviation of 4 sizes.What is her z-score in the distribution of the store's blazers?

Define the following:multiple regression

If the true situation in the world is that there is a causal relationship,but a researcher states that there is no causal relationship,what error occurs?

Which of the following is an example of a multivariate statistic?

Define the following:standard deviation

A "codebook" is

Describe each of the three measures of central tendency.What are the main differences between them? How are they affected by a normal versus a skewed distribution of data?

Which neighbourhood(s)has the smallest differences in family income?

Calculate the median for the following six shoe sizes: 9,10,10,8,12,11.

Define the following:partials

Your research assistant finds a positive relationship between mother's education and income at age 40.The relationship remained after controlling for the family's social class.This means that

What should you see in a scattergram if the bivariate relationship depicted in the scattergram is characterized by a high level of precision?

Define the following:precision

Which neighbourhood(s)has the greatest differences in family income?

Explain how a researcher codes,enters,and cleans data so that it can be used for statistical analysis.What procedures are involved in each of these steps?

Which neighbourhood(s)has an income distribution resembling a normal curve?

Define the following:codebook

Define the following:marginals

Doing Social Research

Theory and Social Research

Ethics in Social Research

Reviewing the Scholarly Literature and Planning a Study

Designing a Study

Qualitative and Quantitative Measurement

Qualitative and Quantitative Sampling

Survey Research

Experimental Research

Nonreactive Quantitative Research and Secondary Analysis

Qualitative Interviewing

Field Research

Nonreactive Qualitative Research

Analysis of Qualitative Data

Combining Methods in Social Science Research

Filters