1. 10 Nursing 3250 students visited their primary care providers and completed p
ID: 2946776 • Letter: 1
Question
1. 10 Nursing 3250 students visited their primary care providers and completed preventive care exams. Please compute the mean, median, mode, range, variance, and standard deviation from the following weights:
Student weight (poumds)
1 121
2 116
3 130
4. 178
5. 186
6 168
7 145
8 155
9. 128
10. 145
Mode = ______________
Median = _____________
Mean = ______________
Range = ______________
Variance = ______________
Standard deviation = _______________
2. In a research study, a total of 46 obese adults were referred to an academic hospital for a 52-week weight loss program. All of the 46 adults followed prescribed diet and participated in the “Big Loser” exercise program. The weight was measured at baseline (Week 1), Week 14, and Week 53. Paired t-tests were used to exam weight changes over time
a. Is this a cross-sectional or longitudinal study? (please circle the answer)
b. Is this a true experimental or quasi-experimental or descriptive study? (please circle the answer)
At Week 14 (n=42; 92% follow-up), (p=0.0001).
At Week 53 (n=28; 61% follow-up), there (p=0.07).
Explanation / Answer
Answer
Question.No.2
Mode = 145
Median = 145
Mean = 147.2
Range = 70
Variance = 586.8444
Standard deviation = 24.2248
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