Sources of Variability Which of these statements is the null hypothesis for an F test?
A)All treatment groups were drawn from the same population.
B)Between-groups variability exceeds within-groups variability.
C)Between-groups variability is due to the independent variable.
D)The sampled populations are normally distributed.

Question

Quizplus · Accepted Answer

The null hypothesis for an F test is that all treatment groups were drawn from the same population. This is often written as "there is no significant difference between the means of the treatment groups." Option B relates to the alternative hypothesis, C relates to the cause of the variability, and D does not address the comparison of means.

Sources of Variability Which of These Statements Is the Null