Perform all tests relevant to the nature of the question and stat technique employed. Attach computer output and highlight (discuss in margin) pertinent results!

1. Nursing research studied the effect of three conditions on the performance of psychomotor tasks as measured by time. The following data on the number of tasks performed was collected on 3 groups for comparison purposes:
   Reinforcement No Reinforcement Control
   15 7 7
   4 3 10
   10 4 5
   11 4 5
   6 2 6
   12 5 2
   9 8 6
   Test the hypothesis that no difference exists between the groups at α = 0.05 and perform and report all related tests and statistics.
2. Three exercise plans are being compared on their effects on high blood pressure. After randomly assigning the subjects with the same high blood pressure to the three groups, the experiment lasted 1 year. The blood pressure of each of the subjects was then measured and reported as follows :
   Plan 1: 140 160 155 175 165 180 180 155 165 140 128 160
   Plan 2: 150 160 145 150 145 150 150 150 140 145
   Plan 3: 165 140 140 155 140 145 160 150 140 150
   Does the data support the hypothesis that diet plan significantly affects blood pressure level at α = 0.03? Perform and report all related tests and statistics.
3. Method of wrapping and material used for wrapping was studied in regards to wounds. Test the following results at α = 0.03 by the appropriate statistical technique.

METHOD

1 2 3

23 21 17

Gause 20 18 19

21 21 22

Material

16 20 19

Gel 21 26 18

18 20 20

17 22 22

Cloth 18 22 22

19 24 21

1. Ten hospitals were given 3 health analysis for their cafeteria with the following results:

School I II III

1 58 65 68

2 67 65 66

3 79 82 83

4 63 63 62

5 52 52 53

6 78 70 74

7 82 83 85

8 42 45 48

9 39 41 43

10 75 77 70

Analyze the data by the appropriate method at α = 0.10!

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