Question 1

Define the following:
-mean

Accepted Answer

A measure of central tendency for one variable that indicates the arithmetic average (i.e.,the sum of all scores divided by the number of scores).

Question 2

An elementary school teacher has three classes.She finds the following mean and standard deviations for student IQ scores.   She knows she is most effective when the students all have similar IQ levels.Which class is she likely to be most effective with?

Accepted Answer

A) Class #1 
B) Class #2 
C) Class #3 
D) Classes #1 and #2 equally 
E) Classes #1 and #3 equally 
A) Class #1 
B) Class #2 
C) Class #3 
D) Classes #1 and #2 equally 
E) Classes #1 and #3 equally B

Question 3

Define the following:
-scattergram

Accepted Answer

A diagram that displays the statistical relationship between two continuous variables by plotting each case's values for both of variables.

Question 4

Define the following:
-marginals

Accepted Answer

The totals of a cont

Question 5

Which measure of association can never take a negative value?

Accepted Answer

A) Lambda 
B) Gamma 
C) Tau 
D) Rho 
E) Chi-square 
A) Lambda 
B) Gamma 
C) Tau 
D) Rho 
E) Chi-square

Question 6

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.

Question 7

Define the following:
-mode

Accepted Answer

A measure of central tendency

Question 8

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 9

All the sales representatives at Acadia Insurance are female,and their mean annual salary is $60,000 with a standard deviation of $5000.All customer account managers are male and they have a mean salary of $80,000 with a standard deviation of $15,000.Heather knows she is one standard deviation above the mean of the sales representatives.She wants to transfer to become the first female customer account manager and will begin at her same salary.After she transfers,compared to the customer account managers her salary will be at what z-score?

Accepted Answer

A) -2 
B) -1 
C) 0 
D) +1 
E) +2 
A) -2 
B) -1 
C) 0 
D) +1 
E) +2

Question 10

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 11

Define the following:
-precision

Accepted Answer

The amount of spread in the points on th

Question 12

Which neighbourhood(s)has an income distribution resembling a skewed 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 13

Define the following:
-percentile

Accepted Answer

A measure of dispersion for on

Question 14

How many individuals with 17+ years of education engaged in a level of violence defined as medium?

Accepted Answer

A) 20 
B) 180 
C) 160 
D) 55 
E) 5 
A) 20 
B) 180 
C) 160 
D) 55 
E) 5

Question 15

Define the following:
-control variable

Accepted Answer

A third variable that shows whether a bi

Question 16

If the true situation in the world is that there is no causal relationship,but a researcher states that there is a 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) A and C 
A) Type I 
B) Type II 
C) Falsely reject the null hypothesis 
D) Falsely accept the null hypothesis 
E) A and C

Question 17

Define the following:
-contingency table

Accepted Answer

A table that shows the cross-t

Question 18

Which neighbourhood(s)has the 50th percentile of education as a college education?

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:
-measure of association

Accepted Answer

A single number that expresses

Question 20

Define the following:
-bivariate statistics

Accepted Answer

Statistical measures

Define the following: -mean

An elementary school teacher has three classes.She finds the following mean and standard deviations for student IQ scores. She knows she is most effective when the students all have similar IQ levels.Which class is she likely to be most effective with?

Define the following: -scattergram

Define the following: -marginals

Which measure of association can never take a negative value?

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?

Define the following: -mode

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

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

Define the following: -precision

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

Define the following: -percentile

How many individuals with 17+ years of education engaged in a level of violence defined as medium?

Define the following: -control variable

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

Define the following: -contingency table

Which neighbourhood(s)has the 50th percentile of education as a college education?

Define the following: -measure of association

Define the following: -bivariate statistics

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

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Exam 11: Analysis of Quantitative Data

Define the following: -mean

An elementary school teacher has three classes.She finds the following mean and standard deviations for student IQ scores. She knows she is most effective when the students all have similar IQ levels.Which class is she likely to be most effective with?

Define the following: -scattergram

Define the following: -marginals

Which measure of association can never take a negative value?

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?

Define the following: -mode

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

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

Define the following: -precision

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

Define the following: -percentile

How many individuals with 17+ years of education engaged in a level of violence defined as medium?

Define the following: -control variable

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

Define the following: -contingency table

Which neighbourhood(s)has the 50th percentile of education as a college education?

Define the following: -measure of association

Define the following: -bivariate statistics

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