There are three hospitals in the region. The following data show the number of s
ID: 3228692 • Letter: T
Question
There are three hospitals in the region. The following data show the number of surgeries performed on M-F at each hospital last week At sigma = 0.10, can we conclude there is a difference in mean number of surgeries performed by hospital or day of the week? There is a significant difference by hospital and day of the week There is not a significant difference by hospital, but the difference by day of week is not significant. There is a significant difference by hospital, but the difference by day of week is not significant. There is neither a significant difference by hospital nor by day of the week. We cannot conclude the influence. More information is needed.Explanation / Answer
from above there is a significant difference by hospital , but the difference by days is not signiificant
SUMMARY Count Sum Average Variance Monday 3 84 28 112 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 Luke 5 94 18.8 3.2 St Vincent 5 134 26.8 63.2 Merry 5 98 19.6 26.8 ANOVA Source of Variation SS df MS F P-value F crit days 217.6 4 54.4 2.804124 0.100168 2.806426 hospital 194.1333 2 97.06667 5.003436 0.038959 3.113118 Error 155.2 8 19.4 Total 566.9333 14