ithin a population, the differences that exist from one person to another are often called diversity. Researchers comparing cognitive skills for younger adults and older adults typically find greater differences (greater diversity) in the older population (Morse, 1993). Following are typical data showing problem-solving scores for two groups of participants. a. Compute the mean, variance, and standard deviation for each group. b. Is one group of scores noticeably more variable (more diverse) than the other?

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Within a population, the differences that exist from one person to another are often called diversity. Researchers comparing cognitive skills for younger adults and older adults typically find greater differences (greater diversity) in the older population (Morse, 1993). Following are typical data showing problem-solving scores for two groups of participants.

a. Compute the mean, variance, and standard deviation for each group. b. Is one group of scores noticeably more variable (more diverse) than the other?

Younger Adults
(average age 31)
Older Adults
(average age 72)
94738
79678
62845
67668
75266
97869
Transcribed Image Text:Younger Adults (average age 31) Older Adults (average age 72) 94738 79678 62845 67668 75266 97869
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