Time spent in the examination rooms
$7.50
| One particular morning, the length of time spent in the examination rooms is recorded for each patient seen by each physician at an orthopedic clinic. |
| Time in Examination Rooms (minutes) |
| Physician 1 |
Physician 2 |
Physician 3 |
Physician 4 |
| 33 |
34 |
18 |
27 |
| 25 |
34 |
32 |
30 |
| 25 |
29 |
30 |
31 |
| 32 |
33 |
25 |
25 |
| 27 |
41 |
32 |
34 |
| 36 |
32 |
30 |
32 |
| 20 |
|
25 |
43 |
|
|
28 |
|
|
| Fill in the missing data. (Round your p-value to 4 decimal places, mean values to 1 decimal place and other answers to 3 decimal places.) |
| Treatment |
Mean |
n |
Std. Dev |
| Physician 1 |
|
|
|
| Physician 2 |
|
|
|
| Physician 3 |
|
|
|
| Physician 4 |
|
|
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|
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|
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| Total |
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| One-Factor ANOVA |
| Source |
SS |
df |
MS |
F |
p-value |
| Treatment |
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|
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| Error |
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| Total |
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| (a) |
Based on the given hypothesis, choose the correct option. |
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|
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H0: ?1 = ?2 = ?3 = ?4 |
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H1: Not all the means are equal. |
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? = 0.05 |
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Reject null hypothesis if F < 3.01 |
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Reject null hypothesis if F > 3.01 |
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| (b) |
Calculate the F for one factor. (Round your answer to 2 decimal places.) |
| (c) |
“On the basis of the above findings, we reject the null hypothesis”. Is the statement true? |
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