Question

A clinical trial monitors the recovery time (in days) of two groups of patients after knee surgery. Group X receives a new physical therapy regimen, while Group Y receives the standard regimen. The data sets are:

$$ 	ext{Group X: } 10, \, 12, \,  13, \,  15, \,  15, \,  17, \,  20 $$   

$$ 	ext{Group Y: } 8, \,  10,  \, 12, \,  14, \,  14, \,  16, \,  18 $$

Which of the following is the correct comparison of the means and medians?

Accepted Answer

Group X has both a higher mean and median compared to Group Y.

Answer

Group Y has a higher mean, but Group X has a higher median.

Answer

Group X has a higher mean, but Group Y has a higher median.

Answer

Group Y has both a higher mean and median compared to Group X.

Question 38 - Math Practice Test for the NLN NEX