SOLUTION: There are three hospitals in the Tulsa, Oklahoma, area. The following data show the number
of outpatient surgeries performed at each hospital last week. At the .05 signifi
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Question 208701This question is from textbook
: There are three hospitals in the Tulsa, Oklahoma, area. The following data show the number
of outpatient surgeries performed at each hospital last week. At the .05 significance level,
can we conclude there is a difference in the mean number of surgeries performed by hospital
or by day of the week?
Number of Surgeries Performed
Day St. Luke's St. Vincent Mercy
Monday 14 18 24
Tuesday 20 24 14
Wednesday 16 22 14
Thursday 18 20 22
Friday 20 28 24
This question is from textbook
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
There are three hospitals in the Tulsa, Oklahoma, area. The following data show the number
of outpatient surgeries performed at each hospital last week. At the .05 significance level,
can we conclude there is a difference in the mean number of surgeries performed by hospital
or by day of the week?
Number of Surgeries Performed
Day St. Luke's St. Vincent Mercy
Monday 14 18 24
Tuesday 20 24 14
Wednesday 16 22 14
Thursday 18 20 22
Friday 20 28 24
--------------------------
I entered the data in 3 lists, then ran ANOVA against the data.
Ho: The means are equal
Ha: At least one is not
----
test statistic: F = 1.802
p-value: 0.2069
-----------------------
Since the p-value is greater than 5%, do not reject Ho.
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Cheers,
Stan H.
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