Perform computations in excel
—Original copy attached—
Many psychotherapeutic drugs have side effects like tiredness, dry-mouth, and dizziness. A new drug shows promise as an anti-depressant, but the drug developer is concerned about side effects, especially lethargy (tiredness). Twenty-five rats were given one of five doses of the new drug. To measure the amount of lethargy, researchers at the drug company counted how many times the rats ran in a running wheel (number of revolutions). The data are presented in table form below. Are there differences between groups in the average number of revolutions? Test at the .05 level. If there are differences, which groups differ from one another at the .05 level?
|
Dose |
||||
|
0 mg |
1 mg |
3 mg |
5 mg |
10 mg |
|
33 |
50 |
32 |
15 |
1 |
|
50 |
42 |
14 |
7 |
5 |
|
41 |
33 |
37 |
4 |
2 |
|
39 |
24 |
32 |
6 |
16 |
|
54 |
31 |
22 |
11 |
4 |
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