According to NEA Advocate (2007), the averages for the 2005-2006 academic year, 34 CSU Stanislaus faculty have salaries which average $65,800 with a population standard deviation of $12,000. The salaries for 40 MJC faculty average $72,400 with a population standard deviation of $8,000. a. Construct and interpret a 95% confidence interval for the difference in the means.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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According to NEA Advocate (2007), the averages for the 2005-2006 academic year, 34 CSU Stanislaus
faculty have salaries which average $65,800 with a population standard deviation of $12,000. The
salaries for 40 MJC faculty average $72,400 with a population standard deviation of $8,000.
a. Construct and interpret a 95% confidence interval for the difference in the means.
b. Is there statistical support for the claim that faculty at MJC make more than the faculty at Stanislaus?
Complete all of the steps: Hypotheses, p-value, critical value, conclusion (Use a = 0.05)
%3D
Transcribed Image Text:According to NEA Advocate (2007), the averages for the 2005-2006 academic year, 34 CSU Stanislaus faculty have salaries which average $65,800 with a population standard deviation of $12,000. The salaries for 40 MJC faculty average $72,400 with a population standard deviation of $8,000. a. Construct and interpret a 95% confidence interval for the difference in the means. b. Is there statistical support for the claim that faculty at MJC make more than the faculty at Stanislaus? Complete all of the steps: Hypotheses, p-value, critical value, conclusion (Use a = 0.05) %3D
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