2) The following information is obtained from two independent samples selected from two normally distributed populations. n1=18,1=7.82,1=2.35
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2) The following information is obtained from two independent samples selected from two normally distributed populations.
n1=18,1=7.82,1=2.35
n2=15,2=5.99,2=3.17
Round to 3 decimals
(a)What is the point estimate of12?
(b)Construct a 99% confidence interval for12. Find the margin of error for this estimate.
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