A survey of medical professionals in for-profit and not-for-profit hospitals ind

Question

A survey of medical professionals in for-profit and not-for-profit hospitals indicates that those working in for-profit hospitals work on average 46.5 hours per week with a standard deviation of 2.2 hours per week. In contrast, those working in not-for-profit hospitals work on average 43 hours per week with a standard deviation of 3.8 hours per week. Was there more variability in the data from for-profit hospitals or in the data from not-for-profit hospitals? The data from for-profit and not-for-profit hospitals shows the same amount of variability The data for not-for-profit hospitals shows more variation, since the standard deviation is larger than the standard deviation of for-profit hospitals. The data from for-profit hospitals shows more variation, since the mean is larger than the mean of for-profit hospitals. The data from for-profit hospitals shows more variation, since the standard deviation is smaller than the standard deviation of for-profit hospitals

Explanation / Answer

The data for profit is 46.5 with deviation of 2.2 so the average is 44.3

The data of not for profit is 43 with deviation of 3.8 so the average is 40.3

The mean average is between 42.3 to 44.75 hours

Therefore the data from for profit hospital shows more variations and the standard deviation is smaller than the standard deviation for profit hospital

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