A population of scores has µ = 80. In this population, a score of X = 86 corresponds to z = +2.00. What is the population standard deviation?
A) ?2
B) ?3
C) ?6
D) ?12
B
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Early-maturing girls
a. exhibit a decrease in concern over their body shape. b. have lower levels of depression than later-maturing girls. c. are more likely to engage in sexual activity than later-maturing girls. d. usually try to hide their physical changes from others.
Statistics that describe typical scores in the distributions are called ______.
A. measures of dispersion B. taxonomy of measures C. measures of central tendency D. representative measures
Scorer reliability and agreement concerns the consistency of what?
A. test scores B. scorer judgments C. different test forms D. test takers’ performance
The fact that cats are fuzzy, have tails, and walk on four legs is an example of a schema.
Answer the following statement true (T) or false (F)