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Multiple choice problems based on topic range and correlation coefficient.

1. Which of the following best describes: measure of the degree of association found between two characteristics in a series of observations?
a. Mean
b. Standard deviation
c. Correlation efficient
d. Standard error of the mean

2. Conclude the range of the following set of whole numbers: 12, 13, 15, 17, 12, 18, 12, 19, 13, 12, 14, 13, 12, and 15
a. 12-13
b. 12-19
c. 13-14
d. 13-15

3. When considering the standard bell curve, what percentage of observation lies within +/-2 standard deviation of the mean?
a. 68
b. 75
c. 95
d. 99

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M919955

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