Nursing quiz

Nursing Research Quiz - 7
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Nursing Research Quiz - 7

biostatistics

1. The indices used to measure variation or dispersion among scores are all, except:

A. Range

B. Variance

C. Standard deviation

D. Mean

Answer Key

2. A measure of dispersion of a set of observations in which it is calculated by the difference between the highest and lowest values produced is called:

A. Standard deviation

B. Variance

C. Range

D. Mode

Answer Key

3. A statistic which describes the interval of scores bounded by the 25th and 75th percentile ranks is:

A. Inter quartile range

B. Confidence Interval

C. Standard deviation

D. Variance 

Answer Key

4. The Median value is the:

A. 25th percentile

B. 50th percentile

C. 75th percentile

D. 95th percentile

Answer Key

5. Large standard deviations suggest that:

A. scores are probably widely scattered.

B. there is very little deference among scores.

C. mean, median and mode are the same

D. the scores not normally distributed.

Answer Key

6. The formula given below is computational formula for:

A. Variance

B. Mean

C. Standard deviation

D. t-statistic

Answer Key

7. The squire of the standard deviation is the:

A. Variance.

B. Standard error

C. Z-score

D. Variance

Answer Key

8. Which is NOT a characteristic of normal distribution?

A. Symmetric Copyright@ http://currentnursing.com/Quiz

B. Bell-shaped

C. Mean = median = mode

D. Negative skewness

Answer Key

9. Skewness is a measure:

A. of the asymmetry of the probability distribution

B. decides the distribution may have high or low variance

C. of central tendency

D. None of the above

Answer Key

10. The formula given below is used to calculate:

O= Observed frequency
E= Expected frequency

A. t-test statistic

B. chi-squire statistic

C. correlation coefficient

D. Standard deviation

Answer Key

Answer Key

1. D

2. C

3. A

4. B

5. A

6. C

7. D

8. D

9.A

10. B


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