Do we lose our memory capacity as we get older In a study of the effect of glucose on

Chapter 8, Problem 8.116

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Do we lose our memory capacity as we get older? In a study of the effect of glucose on memory in elderly men and women, C. A. Manning and colleagues18 tested 16 volunteers (5 men and 11 women) for long-term memory, recording the number of words recalled from a list read to each person. Each person was reminded of the words missed and was asked to recall as many words as possible from the original list. The mean and standard deviation of the long-term word memory scores were y = 79.47 and s = 25.25. Give a 99% confidence interval for the true long-term word memory scores for elderly men and women. Interpret this interval.

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