Question 6 (1 point) The cost of a university education has increased at a much

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Question 6 (1 point) The cost of a university education has increased at a much faster rate than other living expenses in general over the past twenty years. In order to compensate for this, many students work part- or full-time in addition to attending classes.At one university, it is believed that the average number of hours students work per week exceeds 20. Suppose 20 students were selected randomly and their weekly work hours were observed. Then a hypothesis test was done to test this belief. Then t* ( critical value of t ) at an level of 5% is 1.729 2.086 2.093 1.725

Explanation / Answer

here number of degree of freedom =n-1=20-1=19

for 19 degree of freedom and right tailed test with 5% level of significance ; crtiical value of t =1.729

therefore option 1.729 is correct.

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