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Mary Analyzed Occupancy Rates at Two Community Hospitals and Obtained

Question 56

Multiple Choice

Mary analyzed occupancy rates at two community hospitals and obtained the following Excel results.  t-Test for Acute Care Occupancy Rates  MaxHealth  HealthPro  Mean 62.546268.4800 Variance 108.237798.3707 Observations 1310 Hypothesized Diff 0 df 20 t Stat 1.3923 P(T<=t)  one-tail 0.0896 t Critical one-tail 1.7247 P(T<=t)  two-tail 0.1791 t Critical two-tail 2.0860\begin{array} { | l r r | } \hline { \text { t-Test for Acute Care Occupancy Rates } } \\& \text { MaxHealth } & \text { HealthPro } \\\text { Mean } & 62.5462 & 68.4800 \\\text { Variance } & 108.2377 & 98.3707 \\\text { Observations } & 13 &10 \\\text { Hypothesized Diff } & 0 & \\\text { df } & 20 & \\\text { t Stat } & - 1.3923 & \\\text { P(T<=t) one-tail } & 0.0896 & \\\text { t Critical one-tail } & 1.7247 & \\\text { P(T<=t) two-tail } & 0.1791 & \\\text { t Critical two-tail } & 2.0860 & \\\hline\end{array} Which conclusion is correct in a two-tailed test at ? = .05?


A) There appears to be no difference in the mean occupancy rates.
B) HealthPro has a significantly higher mean occupancy rate.
C) There is a significant difference in the mean occupancy rates.

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