Question

at 5% level of significance that the process is working properly.
b) Ten students are selected at random from a school and their heights are
found to be, in inches, 50, 52, 52, 53, 55, 56, 57, 58, 58 and 59. From the
given data, discuss the suggestion that the mean height of the students
of the school is 54 inches. Use 5% level of significance.

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Answer 1

Answer:

To get α subtract your confidence level from 1. For example, if you want to be 95 percent confident that your analysis is correct, the alpha level would be 1 – . 95 = 5 percent, assuming you had a one tailed test. For two-tailed tests, divide the alpha level by 2.