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For a hypothesis test of Ho :µ = 75 versus HA : µ # 75: • The given sample has a test statistic of -0.5085 • The P-value for the test is 0.69075

For a hypothesis test of Ho :µ = 75 versus HA : µ # 75: • The given sample has a test statistic of -0.5085 • The P-value for the test is 0.69075

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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Please see below. I need help with the last p value that is in the red box. My answer is wrong.
For a hypothesis test of a single population mean with unknown population standard deviation (o), we can use either Geogebra or Minitab. In Geogebra: use the "Statistics" tab in the Probability Calculator. Click the drop-down menu near the top (default is "Z Test of a Mean") and choose "T Test of a Mean." In Minitab: Select Stat > Basic Statistics > 1 sample t. Select Summarized Data from the drop-down menu. Check mark "Perform Hypothesis Test" and enter the hypothesized value. Click Options and select the appropriate alternate hypothesis. For both: Enter the sample mean, sample standard deviation, and sample size. We'll use a sample with x = 73.2, s = 14.16, n = 16. For a hypothesis test of Ho :µ = 70 versus HA : µ > 70: • The given sample has a test statistic of 0.9040 • The P-value for the test is 0.1901 For a hypothesis test of Ho : µ = 75 versus HA : µ < 75: • The given sample has a test statistic of -0.5085 • The P-value for the test is 0.3092 For a hypothesis test of Ho :µ = 75 versus HA : µ # 75: -0.5085 • The given sample has a test statistic of • The P-value for the test is 0.69075
Transcribed Image Text:For a hypothesis test of a single population mean with unknown population standard deviation (o), we can use either Geogebra or Minitab. In Geogebra: use the "Statistics" tab in the Probability Calculator. Click the drop-down menu near the top (default is "Z Test of a Mean") and choose "T Test of a Mean." In Minitab: Select Stat > Basic Statistics > 1 sample t. Select Summarized Data from the drop-down menu. Check mark "Perform Hypothesis Test" and enter the hypothesized value. Click Options and select the appropriate alternate hypothesis. For both: Enter the sample mean, sample standard deviation, and sample size. We'll use a sample with x = 73.2, s = 14.16, n = 16. For a hypothesis test of Ho :µ = 70 versus HA : µ > 70: • The given sample has a test statistic of 0.9040 • The P-value for the test is 0.1901 For a hypothesis test of Ho : µ = 75 versus HA : µ < 75: • The given sample has a test statistic of -0.5085 • The P-value for the test is 0.3092 For a hypothesis test of Ho :µ = 75 versus HA : µ # 75: -0.5085 • The given sample has a test statistic of • The P-value for the test is 0.69075
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