QUESTION No. 2: three hospitals in Buffalo area. The following data sbow the num

Question

QUESTION No. 2: three hospitals in Buffalo area. The following data sbow the number of outpatient surgeries performed significant level, can we conclude there at hospital last week. At o os is a difference in the number of surgeries performed by hospital or by the day of the week? NUMBER OF SURGERIES PERFORMED DAY St. Joseph's Buffalo General 18,67 56 24 Monday 18 19.33 58 Tuesday 17.33 14 Wednesday Thursday 28 Friday 20 298 88 19,6 17.6 251.7335 Total Sum of Squares 75.771 Sum of the squares (DAY) Using the above data, answer next three questions: 1. Sum of the squares (Hospitals) would be about: points) a. 91.74 b. 89.25 c. 117.85 id, 29.9 e. 58.11 (4 points) Complete the following ANOVA table: Source of 1 Sum of Degrees of Mean squares F tual Variations Squares Freedom HOSPITAL DAY ERROR TOTAL

Explanation / Answer

from above:

hence 1) SS hospital =58.13 option E

2) table is given ablove

3)option C

SUMMARY Count Sum Average Variance Monday 3 56 18.66667 25.33333 Tuesday 3 58 19.33333 25.33333 Wednesday 3 52 17.33333 17.33333 Thursday 3 60 20 4 Friday 3 72 24 16 st Joseph 5 88 17.6 6.8 Buffalo 5 112 22.4 14.8 Mercy 5 98 19.6 26.8 ANOVA Source of Variation SS df MS F P-value F crit day 75.73333 4 18.93333 1.285068 0.352359 3.837853 hospital 58.13333 2 29.06667 1.972851 0.201147 4.45897 Error 117.8667 8 14.73333 Total 251.7333 14

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