For each question 1-7 answer the following:

1. Appropriate statistical technique
2. Why this technique
3. Calculated statistic
4. SPSS reported sig. level
5. Null hypothesis(es)
6. Decision about null hypothesis
7. Conclusion/interpretation

Answer the first 2 questions as they relate to your disc in the text!

1. Is marital status related to work status? Alpha= .02
2. Is age related to confidence on the sample of nurses? Alpha=.02
3. A study was done to see if nurse’s skills are related to biostat knowledge and personality. The data is as follows:
   Nurse Skills Biostat grade Personality
   1 76 64 38
   2 84 68 41
   3 90 89 50
   4 34 39 58
   5 85 88 38
   6 99 96 31
   7 75 81 44
   8 83 76 40
   9 87 85 50
   10 90 91 36
   If a nurse is chosen at random had a biostat grade of 88 and a personality score of 48 what would their skill be? Alpha = .05
4. A particular hospital was interested in improving the bedside manner of its workers. A seminar was provided after an initial measurement of bedside skills taken. After 6 weeks the measurement was retaken. The results were:
   Initial 24 24 23 38 40 33
   Post 26 25 22 31 37 30
   At alpha = .04 did the program work?
5. Nurses were surveyed to see where they got info on MSN research the most. Test at alpha = .03. The results were:
   Journal Books Internet Dissertations
   48 60 62 45
   Do the sources differ?
6. Two drugs for lowering serum blood cholesterol levels were administered to 2 groups chosen at random. After a period of 6 months the patients levels were retaken to determine how much lowering had occurred. At alpha = .10 analyze the following data:
   Drug A Drug B
   20 37
   18 17
   13 10
   21 12
   17 32
   20 10
7. Under controlled conditions 3 methods of reducing swelling were compared for effectiveness. The results were:

Ice pack Ice cup Ice bath

231 202 190

240 190 232

207 252 238

196 179 208

202 215

At alpha = .03 test the hypothesis that all methods work equally well in reducing swelling.

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