In order to describe the typical score, Shellie sums all of the scores and divides that number by the number of scores. Which measure of central tendency has Shellie calculated?
a. mode
b. median
c. arithmetic mean
d. mean square
c
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The incidence of alcoholism among Muslims and Mormons is low because __________.
A. individuals who practice these religions are likely to live in areas where alcohol is not readily available B. these religions prohibit alcohol consumption C. members of both groups are likely to have inherited an inability to metabolize alcohol properly D. strong family and community bonds protect these populations from all psychological disorders
Ranking students from the most popular to the least popular is an example of ratio data
Indicate whether the statement is true or false
The _____ is/are a set of subcortical structures that direct intentional movement.
A) basal ganglia B) hippocampus C) amygdala D) hypothalamus
The abstraction of counting, according to Gelman, is ______.
a. the final count represents the number of items in the set b. count words should occur in the same, repeatable order c. any set of physical or imagined items can be counted d. each item is counted once and only once