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Multiple Choice Questions
Question 1 Multiple Choice
Which of the following divides a group of data into four subgroups?
quartiles
percentiles
standard deviation
median
Question 2 Multiple Choice
If the standard deviation of a population is 9, the population variance is:
3
9
21.35
81
Question 3 Multiple Choice
What is the median for the following numbers?
83
54
48
60
Question 4 Multiple Choice
Which of the following is not a measure of central tendency?
percentile
quartile
standard deviation
mode
Question 5 Multiple Choice
What is 40th percentile of the following numbers?
39
29.4
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23
Question 6 Multiple Choice
What is the value of the coefficient of skewness for the following population of numbers?
1.04
0.56
0.97
0.28
Question 7 Multiple Choice
Consider the following population of numbers. What is the z score for 6?
0.66
0.95
1.23
+1.23
Question 8 Multiple Choice
Consider the following grouped data. What is the sample variance of these data?
212.69
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 Summer '11
 Pharuddin

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