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Nursing Research Quiz  10

Biostatistics 
This page was last updated on
June 29, 2012


1. Calculate the median of trhese ten values.
1.9. 1.9, 1.9, 1.9, 2.2, 2.3, 2.4, 2.4, 2.4, 2.4
A. 1.9
B. 2.1
C. 2.25
D. 2.4
Answer Key

2. A number of cases of malaria are collected over 10 years with extreme variation in data. The best measure to calculate average is:
A. Arithametic mean
B. Mode
C. Geometric mean
D. Median
Answer Key

3. In a population study for malaria over the past few years, the number of case reported were 20, 5000, 100, 80, 60, 70, 40, 60, 80. The average is best represented by:
A. Arithemetic mena
B. Mode
C. Geometric mean
D. Median
Answer Key

4. Malaria incidence in a village in the year 2000 is 430, 500, 410, 160, 270, 210, 300, 350, 4000, 430, 480, 450. Which of the following is the best indicator for assessment of malaria incidence in that village by the epidemiologist?
A. Arithemetic mean
B. Gemetric mean
C. Median
D. Mode
Answer Key

5. Ten babies are born in a hospital on same day. All weight 208 kg each. Calculate the standard deviation.
A. Zero
B. One
C. Minus one
D. 0.28
Answer Key

6. Blood pressure samples from two community are best campared by:
A. Paired ttest
B. Student's ttest
C. Chisquare test
D. Cohort study
Answer Key

7. In statistics, spread of dispersion is described by:
A. Median
B. Mode
C. Standard deviation
D. Mean
Answer Key

8. Calculate the mode of 70, 71, 72, 70, 70.
A. 70
B. 71
C. 71.5
D. 72
Answer Key

9. In an epidemiological study, the incubation periods obtained were 2, 5, 8, 10, 25, 10, and 30. The median is calculated to be:
A. 50
B. 22.5
C. 10
D. 5
Answer Key

10. Among the measure of dispersion which is the most frequently used:
A. Range
B. Mean
C. Median
D. Standard deviation
Answer Key


Answer Key
1. C 
2. B 
3. B 
4. C 
5. A 
6. A 
7. C 
8. A 
9. C 
10. D 






References
 Polit H, Beck C T. Nursing research. 8th ed. New Delhi: Williams and Wilkins; 2008.
 Burns N, Grove S K. Understanding nursing research. 4th ed. New Delhi: Elsevier; 2007.
 Park JE, Park K. Text Book of Preventive and Social Medicine. 19th Edition. Jabalpur: M.S. Banarsidas Bhanot; 2007.
 Questions from entrance examinations relevant to nursing conducted in India. (NIMHANS/AIIMS/Manipal/Kerala/All India etc..)
 Cohen J. Statistical Power Analysis for the Behavioral Sciences. Erlbaum, Hillsdale, NJ; 1988.

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