10. What is the population standard deviation of the given data set?
A 2.16 B. 2.26 C. 2.46 D.2.51
11. What is the sample variance of the given data set?
A. 5.5 B.5.6 C.5.8 D.5.9 12. What is the sample standard deviation of the given data set?
A 2.35. B. 2.36. C. 2.37. D. 2.38
13. If the range of a set of scores is 10 and the lowest score is 6, what is the highest score?
A 14 B. 15 C. 16 D. 17
14. What is the most reliable measure of variability?
A range B. variance C. average deviation D. standard deviation
15. What should be the divisor if given data set is an entire population?
A. n B n-1 C.n+1 D. none of these
16. What measure is equal to 5 in the data set 5, 15, 5, 20, 30, 25, 5, , 5, 15? B. median C. mean. D. mode
17.What measure is equal to 2 in the following scores: 0,1,2,2,3,4,5?
A. mean B median and mode C. median D. mean and median
18. The temperatures of some areas were as follows: 29°C, 32°C, 29°C, 30°C. What measure is equal to 30°C?
A. mean B. median C. median and mode D. mean and median
19. The scores of the contestants were arranged from lowest to highest and it was found out that the middle score is 35. What measure of central tendency is 35?
A.range B. median C. mean D. mode
20. The frontliners' heart rate was monitored. The result shows that average heart rate is 75bpm and the standard deviation is 0.5. Which statement is TRUE?
A. The mean heart rate is 7.5bpm
B. The heart rate of frontliners are too different from each other.
C. The standard deviation shows that the heart rates are too close to each other
D. All heart rates are equal. A range
na arra nge na po:)
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