2. A school district is trying to determine if its standardized test scores are higher than the national average which is 92 points. From a sample of 45 students, the average score was 89 points with a standard deviation of 12 points. Test the hypothesis at a = 0.05

MATLAB: An Introduction with Applications
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Chapter1: Starting With Matlab
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Identify the critical value and rejection region of the following problems. Sketch the curve 
for each problem.

2. A school district is trying to determine if its standardized test scores are higher than the
national average which is 92 points. From a sample of 45 students, the average score
was 89 points with a standard deviation of 12 points. Test the hypothesis at a = 0.05
Transcribed Image Text:2. A school district is trying to determine if its standardized test scores are higher than the national average which is 92 points. From a sample of 45 students, the average score was 89 points with a standard deviation of 12 points. Test the hypothesis at a = 0.05
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