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 1 year 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...
A local hospital collects monthly data on the number of infections after surgeries. These data are...
A local hospital collects monthly data on the number of
infections after surgeries. These data are shown below:
209
225
201
236
220
244
247
245
250
227
234
227
213
212
193
182
242
230
188
252
201
226
222
212
219
223
191
222
231
239
217
241
220
278
255
225
208
225
227
203
Calculate the sample average
Calculate the sample standard deviation
A local hospital collects monthly data on the number of infections after surgeries. These data are...
A local hospital collects monthly data on the number of
infections after surgeries. These data are shown below:
209
225
201
236
220
244
247
245
250
227
234
227
213
212
193
182
242
230
188
252
201
226
222
212
219
223
191
222
231
239
217
241
220
278
255
225
208
225
227
203
Determine the range
State the data required for the construction of a box plot for
these dat
A local hospital collects monthly data on the number of infections after surgeries. These data are...
A local hospital collects monthly data on the number of
infections after surgeries. These data are shown
below:
208
225
202
236
220
244
247
245
250
227
234
227
213
212
183
182
242
230
187
252
201
226
222
212
219
223
191
222
231
239
217
241
220
278
255
225
208
225
227
202
A. Calculate the sample average
B. Calculate the sample standard deviation
C. Construct a stem-and-leaf plot for these
data.
D. Construct a...
The paired data below consist of the number of lifetime surgeries and age of a patient.
The paired data below consist of the number of lifetime surgeries and age of a patient. Number of Surgeries (x) 0 2 3 4 2 5 9 10 Ages (Years) (y) 45 50 65 78 57 86 83 100
Plot the data using scatter plot (make sure you have r-square and equation of the line on the graph)
Find the value of the linear correlation coefficient r. is it weak or strong
Find the equation of the regression line, letting...
CASE STUDY #1 You are working Monday to Friday in Mrs. Farley’s home from 0700 to...
CASE STUDY #1
You are working Monday to Friday in Mrs. Farley’s home from 0700
to 1100 and then you go to Mr. Brown’s home from 1230 to 1530.
Over the last couple of weeks, the PSW (Sharon) who is assigned
to Mrs. Farley’s home from 1100 to 1500 has been arriving
consistently late by half an hour.
It takes you approximately 45 minutes (on a good day) to travel
by bus to Mr. Brown’s house. This has caused you...
The number of heart surgeries performed at Heartville General Hospital has increased steadily over the past several years.
The number of heart surgeries performed at Heartville General Hospital has increased steadily over the past several years. The hospital's administration is seeking the best method to forecast the demand for such surgeries in year 6. The data for the past five years are shown below. Year12345Demand4447545761The hospital's administration is considering the following forecasting methods. Begin error measurement in year 3, so all methods are compared for the same years i. Exponential smoothing, with a 0.6. Let the initial forecast for year...
ADVERTISEMENT
ADVERTISEMENT
Latest Questions
- Using the following reduction potentials: I2(s) + 2e- <---> 2I-(aq) E0 = 0.535 V I2 (aq)...
- Why are learnability and critical thinking crucial skills for the 21stcentury? And, how can you improve...
- Hudson Corporation is considering three options for managing its data warehouse: continuing with its own staff,...
- LUVE produces bracelets. Each band generates $460 in revenue and requires one ounce of gold as...
- (The following data apply to the next three questions.) Assume the following cost and revenue data...
- C# programming Create a classes called AlphabetDice that simulates a multi-sided dices with alphabet characters on...
- What are the trends in Distributed Systems?
ADVERTISEMENT