There are three hospitals in the Tulsa, Oklahoma, area. The following data show
ID: 3154799 • Letter: T
Question
There are three hospitals in the Tulsa, Oklahoma, area. The following data show the number of outpatient surgeries performed on Monday, Tuesday, Wednesday, Thursday, and Friday at each hospital last week. At the 0.01 significance level, can we conclude there is a difference in the mean number of surgeries performed by hospital or by day of the week?
There are three hospitals in the Tulsa, Oklahoma, area. The following data show the number of outpatient surgeries performed on Monday, Tuesday, Wednesday, Thursday, and Friday at each hospital last week. At the 0.01 significance level, can we conclude there is a difference in the mean number of surgeries performed by hospital or by day of the week?
Explanation / Answer
5. for treatment
reject H0 if Ftab > Fcal
for block
reject H0 if F tab > Fcal
6.
the tabulated F(0.01) (4,8) =14.79
the tabulted F(0.01)(2.8) = 99.38
sources of variation degress of freedom sum of squares mean sum of squares F Ratio treatment 2 36.7332 18.3667 F1 = 1.0431 block 4 40.1333 10.0333 F2=0.5698 error 8 140.8668 17.6084 total 14 217.7333