State the conclusion based on the results of the test. According to the report,

Question

State the conclusion based on the results of the test. According to the report, the standard deviation of monthly cell phone bills was exist49.87 three years ago. A researcher suspects that the standard deviation of monthly cell phone bills is less today. The null hypothesis is not rejected. Choose the correct answer below. A. There is sufficient evidence to conclude that the standard deviation of monthly cell phone bills is less than its level three years ago of exist49.87. B. There is not sufficient evidence to conclude that the standard deviation of monthly cell phone bills is less than its level three years ago of exist49.87 C. There is sufficient evidence to conclude that the standard deviation of monthly cell phone bills is different from its level three years ago of exist49.87.

Explanation / Answer

Answer:

B. There is not sufficient evidence to conclude that the standard deviation of monthly cell phone bills is less than its level three years ago of $49.87.

(Note: since null hypothesis is not rejected, there is not sufficient evidence)

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