Question
In: Statistics and Probability
Data from three hospitals show the number of surgeries performed on Monday thru Friday. At the...
- Data from three hospitals show the number of surgeries performed on Monday thru Friday. At the 0.05 significance level, can we conclude there is a difference in the mean number of surgeries performed by hospital or by the day of the week?
|
Hospital Surgery Data |
|||
|
Day |
Hospital 1 |
Hospital 2 |
Hospital 3 |
|
Monday |
25 |
31 |
35 |
|
Tuesday |
26 |
33 |
33 |
|
Wednesday |
24 |
28 |
30 |
|
Thursday |
29 |
30 |
28 |
|
Friday |
26 |
38 |
27 |
please show work clearly.
Solutions
Expert Solution
| Group 1 | Group 2 | Group 3 | |
| 25 | 31 | 35 | |
| 26 | 33 | 33 | |
| 24 | 28 | 30 | |
| 29 | 30 | 28 | |
| 26 | 38 | 27 | |
| Sum = | 130 | 160 | 153 |
| Average = | 26 | 32 | 30.6 |
| ∑Xij^2= | 3394 | 5178 | 4727 |
| St. Dev. = | 1.871 | 3.808 | 3.362 |
| SS = | 14 | 58 | 45.2 |
| n = | 5 | 5 | 5 |
orchestra answered 2 years agoRelated Solutions
Data from three hospitals show the number of surgeries performed on Monday thru Friday. At the...
Data from three hospitals show the number of surgeries
performed on Monday thru Friday. At the 0.05 significance level,
can we conclude there is a difference in the mean number of
surgeries performed by hospital or by the day of the week?
Hospital Surgery Data
Day
Hospital 1
Hospital 2
Hospital 3
Monday
25
31
35
Tuesday
26
33
33
Wednesday
24
28
30
Thursday
29
30
28
Friday
26
38
27
There are three hospitals in the Tulsa, Oklahoma, area. The following data show the number of...
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 0.05 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 St.
Vincent Mercy
Mon
24
26
22
Tues
21
22
20
Wed
20
32
28...
There are three hospitals in the Tulsa, Oklahoma, area. The following data show the number of...
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?
Number of Surgeries Performed
Day
St. Luke's
St. Vincent
Mercy
Monday
45
31
28
Tuesday
26
35
19
Wednesday
21
35
24...
There are three hospitals in the Tulsa, Oklahoma, area. The following data show the number of...
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?
Number of Surgeries Performed
Day
St.
Luke's
St.
Vincent
Mercy
Monday
30
45
34
Tuesday
12
16
12
Wednesday
31
28
23...
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250
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213
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A local hospital collects monthly data on the number of infections after surgeries. These data are...
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236
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227
234
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213
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187
252
201
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