Statistics for Social Science Final Exam Practice Latest Update 2025-2026 100 Questions and 100% Verified Correct Answers Guaranteed A+
A linear relationship is one in which the relationship between two variables
approximates a/an ________. - CORRECT ANSWER: straight line
A negative association is one in which the variables vary in ________ directions. -
CORRECT ANSWER: opposite
A perfect negative relationship will have a value of ________. - CORRECT ANSWER: - 1.0
A perfect positive relationship will have a value of ________. - CORRECT ANSWER: +1.0
A positive association is one in which the variables vary in ________ directions. -
CORRECT ANSWER: the same
A researcher is studying the American labor force. Use the following Bureau of Labor Statistics data to calculate the percentage of the population that was employed in 2002.Total U.S. civilian population aged 16 and older: 217,570; total employed: 136,485 (all
figures are in thousands). - CORRECT ANSWER: 100 * (136,485) / (217,570) = 62.7
Bivariate means ________. - CORRECT ANSWER: two variables
Common alpha levels are ________. - CORRECT ANSWER: .01, .05, .10
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Correlation can be used for what type of data? - CORRECT ANSWER: two interval-ratio variables
Degrees of freedom are found with which of the following formulas? - CORRECT
ANSWER: (number of rows - 1) (number of columns - 1)
For an association to exist, the ________ for one variable changes for the ________ of
another variable. - CORRECT ANSWER: distribution, categories
For interval-ratio data, the correct measure of central tendency is the ________. -
CORRECT ANSWER: mean
Gamma is an appropriate measure for ________ level of measurement variables. -
CORRECT ANSWER: ordinal
Gamma is appropriate for ________ data, whereas Spearman's rho is appropriate for
________ data. - CORRECT ANSWER: collapsed, continuous
Gamma uses ________ to determine association - CORRECT ANSWER: pairs of cases
Homoscedasticity refers to the assumption that the ________. - CORRECT ANSWER:
variance of the Y scores is uniform across all values of X
If one variable increases and the other variable decreases, the association is said to be
________. - CORRECT ANSWER: negative
If the cases on one variable are predicted without error from another variable, we call
this a ________. - CORRECT ANSWER: perfect relationship
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