"Z-scores are useful with regard to inferential statistics primarily because they offer a tool by which to determine whether _____. a. an individual is different from a sample. b. a sample is noticeably different from a population. c. a distribution of scores is standardized. d. a distribution of scores is symmetrically shaped."

Kevin Charles

Kevin Charles

Answered question

2022-10-28

Z-scores are useful with regard to inferential statistics primarily because they offer a tool by which to determine whether _____.
a. an individual is different from a sample.
b. a sample is noticeably different from a population.
c. a distribution of scores is standardized.
d. a distribution of scores is symmetrically shaped.

Answer & Explanation

dippoliticsxu

dippoliticsxu

Beginner2022-10-29Added 9 answers

The numerical value of the z-score corresponds to the number of standard deviations between X and the mean of the distribution.

The fact that z-scores identify exact locations within a distribution means that z-scores can be used as descriptive statistics and as inferential statistics.
–As descriptive statistics, z-scores describe exactly where each individual is located.
–As inferential statistics, z-scores determine whether a specific sample is representative of its population, or is extreme and unrepresentative.
Z-scores are useful with regard to inferential statistics primarily because they offer a tool by which to determine whether
b. a sample is noticeably different from a population.

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