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September 18, 2014

September 18, 2014

Posted by **Sara** on Monday, January 16, 2012 at 7:33pm.

A professor at Kaplan University claims that the average age of all Kaplan students is 36 years old. Use a 95% confidence interval to test the professor's claim. Is the professor's claim reasonable or not? Explain

- Statistics-Confidence Interval -
**Sharon**, Tuesday, January 17, 2012 at 8:25pmFirst find the total age of all students from MM207(9062). Divide 9062 by the total students 244. The answer is 37.139 or 37. 95% confidence interval is 1.96. 37 + or - 1.96 =39 or 35. The professor's claim is quite reasonable.

- Statistics-Confidence Interval -
**PsyDAG**, Wednesday, January 18, 2012 at 2:16amApparently Sharon has more data than is indicated on your post. Also I don't know how she found the SD.

95% = mean ± 1.96 SD

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