Population mean is 681 and population standard deviation is

Population mean is 68.1 and population standard deviation is 4.6. The 9 input percentages are: 56.7, 60.5, 60.6, 61.7, 61.8, 62.3, 63.2, 64.3, and 70.4.

Statistically determine the effectiveness using the data to conduct a hypothesis test.

One or two tailed? Why? Indicate null and alternative hypothesis. Alpha level used? Why? Important critical values? Show all work for test statistic calculation. Is program effective? Why? What scale of measurement is used for rates?

Solution