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A simple random sample of size n = 15 is drawn from a population that is normally distributed. The sample mean is found to be x = 30.5 and the sample standard deviation is found to be s = 6.3. Determine if the population mean is different from 25 at the a = 0.01 level of significance. Complete parts (a) through (d) below. (a) Determine the null and alternative hypotheses. Но н H₁: " #25 (b) Calculate the P-value. = 25 P-value= (Round to three decimal places as needed.)

A simple random sample of size n = 15 is drawn from a population that is normally distributed. The sample mean is found to be x = 30.5 and the sample standard deviation is found to be s = 6.3. Determine if the population mean is different from 25 at the a = 0.01 level of significance. Complete parts (a) through (d) below. (a) Determine the null and alternative hypotheses. Но н H₁: " #25 (b) Calculate the P-value. = 25 P-value= (Round to three decimal places as needed.)

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A simple random sample of size n = 15 is drawn from a population that is normally distributed. The sample mean is found to be x = 30.5 and the sample standard deviation is found to be s = 6.3. Determine if the population mean is different from 25 at the a= 0.01 level of significance. Complete parts (a) through (d) below. (a) Determine the null and alternative hypotheses. Но н = 25 H₁: # #25 (b) Calculate the P-value. P-value = (Round to three decimal places as needed.) CS Scanned with CamScanner
Transcribed Image Text:A simple random sample of size n = 15 is drawn from a population that is normally distributed. The sample mean is found to be x = 30.5 and the sample standard deviation is found to be s = 6.3. Determine if the population mean is different from 25 at the a= 0.01 level of significance. Complete parts (a) through (d) below. (a) Determine the null and alternative hypotheses. Но н = 25 H₁: # #25 (b) Calculate the P-value. P-value = (Round to three decimal places as needed.) CS Scanned with CamScanner
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