Answer to Question #224156 in Statistics and Probability for grace

Question

A test can be conducted to determine the length of time required for a student to read a specified amount of material. In this test, students were instructed to read at the maximum speed at which they could still comprehend the material. A random sample of sixteen students look the test, with the following results (in minutes): 18 27 29 20 19 25 24 21 24 19 23 28 31 22 27 21 Assume that the results of the test are normally distributed. Is there sufficient evidence to claim that the mean length of time (in minutes) required to read is not equal to 25? Test at 5% level of significance. 

Answer 1

Using R

p-value > 0.05

There is sufficient evidence to claim that the mean length of time (in minutes) required to read is equal to 25.