State the conclusion based on the results of the test. According to the report, the mean monthly cell phone bill was $49.97 three years ago. A researcher suspects that the mean monthly cell phone bill is higher today. T null hypothesis is rejected. Choose the correct answer below. O A. There is sufficient evidence to conclude that the mean monthly cell phone bill is higher than its level three years ago of $49.97. O B. There is sufficient evidence to conclude that the mean monthly cell phone bill is less than its level three years ago of $49.97. O C. There is not sufficient evidence to conclude that the mean monthly cell phone bill is higher than its level three years ago of $49.97.

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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State the conclusion based on the results of the test.
According to the report, the mean monthly cell phone bill was $49.97 three years ago. A researcher suspects that the mean monthly cell phone bill is higher today. T
null hypothesis is rejected.
Choose the correct answer below.
O A. There is sufficient evidence to conclude that the mean monthly cell phone bill is higher than its level three years ago of $49.97.
O B. There is sufficient evidence to conclude that the mean monthly cell phone bill is less than its level three years ago of $49.97.
O C. There is not sufficient evidence to conclude that the mean monthly cell phone bill is higher than its level three years ago of $49.97.
Transcribed Image Text:State the conclusion based on the results of the test. According to the report, the mean monthly cell phone bill was $49.97 three years ago. A researcher suspects that the mean monthly cell phone bill is higher today. T null hypothesis is rejected. Choose the correct answer below. O A. There is sufficient evidence to conclude that the mean monthly cell phone bill is higher than its level three years ago of $49.97. O B. There is sufficient evidence to conclude that the mean monthly cell phone bill is less than its level three years ago of $49.97. O C. There is not sufficient evidence to conclude that the mean monthly cell phone bill is higher than its level three years ago of $49.97.
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