Suppose the null hypothesis is not rejectednot rejected. State the conclusion ba

Question

Suppose the null hypothesis is not rejectednot rejected. State the conclusion based on the results of the test. Six years ago, 12.912.9% of registered births were to teenage mothers. A sociologist believes that the percentage has increased since then. Which of the following is the correct conclusion? A. There isis sufficient evidence to conclude that the percentage of teenage mothers has remained the same. B. There isis sufficient evidence to conclude that the percentage of teenage mothers has increasedincreased. C. There is notis not sufficient evidence to conclude that the percentage of teenage mothers has remained the same. D. There is notis not sufficient evidence to conclude that the percentage of teenage mothers has increasedincreased.

Explanation / Answer

Answer is option C. If a null hypothesis is not rejected, then it is either nullified(percentage remain same) or disproved ( i.e., decreased as per this problem). So, there is not enough data to conclude that the percentage of teenage mothers has remained the same, because the percentage can either be same or has been decreased.

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