Question

the previous problem we noted that the differences in cognitive skills tend to be bigger among older people than among younger people. These differences are often called diversity. Similarly, the differences in performance from trail to trail for the same person are often called consistency. Research in this area suggests that consistency of performance seems to decline as people age.

Answer 1

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We have calculated variance for each woman to find consistency in memory performance

we have included the steps I'm the calculation and it is evident that the older women are more variable

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