When the null hypothesis is true, the sampling distribution of the F statistic.
A)ranges in value from 1.00 to positive infinity
B)is symmetrical with a mean of zero
C)is positively skewed with a minimum value of 1.00
D)is positively skewed with a minimum value of zero

Question

Quizplus · Accepted Answer

The F distribution is positively skewed with a minimum value of 0 when the null hypothesis is true. The F statistic is the ratio of two sample variances and cannot be negative. Therefore, the lowest possible value of the F statistic is 0.

When the Null Hypothesis Is True, the Sampling Distribution of the F