Question

reconsider dr sameers reaserach about how much time cal poly students spend watching telivision suppose that for the random sample of 100 cal poly students the mean number of hours per day spent watching telivision turns out to be 3.01 hours and the standard deviation of the number of hours per day spent watching television turns out to be 9.7 hours a) is the number 1.97 a paramter or a statistic b) find the standarnized statistic to investigate whether the data provide evidence that the average number of hours per day cal poly students spend watching tv is different from 2.75 hours c) what is our conclusion about the hypothesis, based on the calculated value of the standardized statistic? how are you deciding

Answer 1

a)

The number 1.97 is a statistics because it is sample standard deviation.

b)

c)

Conclusion:  The data provides no evidence that the average number of hours per day cal poly students spend watching tv is different from 2.75 hours .