The principal of a middle school claims that annual incomes of the families of t

Question

The principal of a middle school claims that annual incomes of the families of the seventh-graders families of the seventh-graders at a neighboring school, which have var been conducted and that the conclusion of the test was to reject the nul hypothesis Identilythe popuiation to which the results of he test apply O A. The current seventh graders at the principar's school O B. Seventh graders' families at the school with a standard deviation of $13,700 0 C All of the fam ilies of the class of seventh graders at the principars school O D. All seventh graders' families at his school vary more than the annual incomes of th ation described by -$13 700 Assume that a hypothesis test of the cam has

Explanation / Answer

Since the principal wants to test the annual income of families of 7th graders in his school, the population will be all of the families of the class of current 7th graders at the principal's school.

Option C is correct.

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