Question
A random sample of 81 individuals finds a sample mean value of 65 and sample standard deviation of 4.5. What is the 95% confidence interval
A random sample of 81 individuals finds a sample mean value of 65 and sample standard deviation of 4.5. What is the 95% confidence interval for the population mean?
A random sample of 81 individuals finds a sample mean value of 65 and sample standard deviation of 4.5. What is the 95% confidence interval for the population mean?
B. [64.02 , 65.98]
D. [63.71 , 65.29]
A. [64.17 , 65.83]
C. [63.84, 66.16]
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Algebra And Trigonometry Enhanced With Graphing Utilities (Subscription)
Authors: Michael Sullivan, Michael Sullivan III
8th Edition
0135813158, 9780135813157
