Question
A random sample of 16 pharmacy customers showed the waiting times 20 14 23 22 22 15 21 18 23 17 14 25 15 21
A random sample of 16 pharmacy customers showed the waiting times
20 14 23 22 22 15 21 18
23 17 14 25 15 21 20 14
Find a 90 percent confidence interval for, assuming that the sample is from a normal population.(Round your standard deviation answer to 4 decimal places and t-value to 3 decimal places. Round your answers to 3 decimal places.)
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An Introduction To Categorical Data Analysis
Authors: Alan Agresti
2nd Edition
0470653205, 9780470653203
