From a random sample of 300 state university students,you found that the average number of hours of study time each week is 30 with a standard deviation of 5.A point estimate of the average study time for all state university students would be
A)5.
B)30.
C)300.
D)15$\pm$ 1 standard deviation.

Question

Quizplus · Accepted Answer

The point estimate of the average study time for all state university students is the sample mean, which is 30 based on the information given. A point estimate is a single value that we use to estimate an unknown population parameter, in this case, the average study time for all state university students. We cannot use the standard deviation or sample size as a point estimate because they do not provide information about the central tendency of the data. Therefore, option A, C, and D are incorrect.

From a Random Sample of 300 State University Students,you Found ±\pm±

From a Random Sample of 300 State University Students,you Found $\pm$