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(c) A professor wants to evaluate the effectiveness of his teaching assistants. In one specific class period observed, the 45 students were randomly divided into
(c) A professor wants to evaluate the effectiveness of his teaching assistants. In one specific class period observed, the45students were randomly divided into three equal-sized groups, and each group was taught power calculations from one of the assistants. At the beginning of the next class, each student took a quiz on power calculations, and these scores were compared.
DFG=
DFE=
DFT=
H0:
Ha:
numerator df=
denominator df=
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