Question: Assuming that both populations are normally distributed, construct a 95 % confidence interval about 12 . ( 1 represents the mean of the experimental group

Assuming that both populations are normally distributed, construct a 95% confidence interval about 12. (1 represents the mean of the experimental group and 2 represents the mean of the control group.) (Two decimal places)

Upper bound

Lower bound

ExperimentalControl

n30 17

x46.4 44.3

s 6.6 12.4

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