1. We are interested in testing whether the variance of a
population is significantly less than 1.44. The null hypothesis for
this test is
a. Ho: s2 < 1.44
b. Ho: s2 >= 1.44
2. How do I do this by the calculator?
The 95% confidence interval estimate for a population variance when a sample variance of 30 is obtained from a sample of 12 items is: answer is 15.05474 to 86.38743
1)
b. Ho: s2 >= 1.44
2)
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