Mark every assumption necessary for a valid analysis of variance to be conducted

Question

Mark every assumption necessary for a valid analysis of variance to be conducted. (multiple answers may be selected)

A) The population of the response variable values within each treatment group must be skewed to the right.

B) The total number of observations within each treatment group must be at least 30.

C) The total number of observations in the experiment must be at least 30.

D) The observations within each treatment population have a common variance.

E) The observations within each treatment population are normally distributed.

Explanation / Answer

Mark every assumption necessary for a valid analysis of variance to be conducted. (multiple answers may be selected)

D) The observations within each treatment population have a common variance.

E) The observations within each treatment population are normally distributed.

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