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    Statistics for Business and Economics Study Set 2
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    Exam 11: Inferences About Population Variances
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    A Random Sample of 20 Observations Showed a Standard Deviation
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A Random Sample of 20 Observations Showed a Standard Deviation

Question 80

Question 80

Essay

A random sample of 20 observations showed a standard deviation of 8. At 95% confidence, test to see if the variance of the population is significantly less than 65. Use the critical value approach.

Correct Answer:

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H0: blured image2 blured image 65
Ha: blured image2 < 65 chi...

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