For a random sample of 40 students, the average statistics midterm score is 73 point (out of a possible 100 points). The standard deviation in the sample was 7.3. What is the standard error of the mean?
A) 0.183
B) 1.154
C) 1.332
D) 0.100

Question

Quizplus · Accepted Answer

The standard error of the mean (SEM) is calculated by dividing the standard deviation by the square root of the sample size. Therefore, SEM = 7.3 / sqrt(40) = 1.154.

For a Random Sample of 40 Students, the Average Statistics