Textbook ExpertVerified Tutor
10 Nov 2021
Given information
The sample mean is 71 inches, the sample standard deviation is 2.8 inches and the sample size is 48.
From the previous task, the 95% confidence interval for the population mean height is (70.19,71.81).
Step-by-step explanation
Step 1.
Sketch the t distribution showing the confidence interval as shown below:
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