Essay
The grades of a sample of 5 students, selected from a large population, are given below. 
a.Determine a point estimate for the variance of the population.
b.Determine a 95% confidence interval for the variance of the population.
c.At 90% confidence, test to determine if the variance of the population is less than or equal to 50.
Correct Answer:
Verified
Correct Answer:
Verified
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