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30. If the mean is 8, then the Mean absolute deviation of the scores 10, 9, 3, 8, 10 is . 3 . 5
30. If the mean is 8, then the Mean absolute deviation of the scores 10, 9, 3, 8, 10 is . 3 . 5 . 1 D. 2 31. The variance of 19, 21, 23, 25 and 27 is 8. The variance of 14, 16, 18, 20 and 22 is: A. Greater than 8 B. Less than 8 . 8 D. 3 32. If standard deviation of the values 2, 4, 6, 8 is 2.236, then the standard deviation of the values 4, 8,12, 16 is: . B. 4.472 C. 4.236 D. 2.236
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A Pathway To Introductory Statistics
Authors: Jay Lehmann
1st Edition
0134107179, 978-0134107172
