Mean Absolute Deviation Another useful measure of
Chapter 2, Problem 55E(choose chapter or problem)
Problem 55E
Mean Absolute Deviation Another useful measure of variation for a data set is the mean absolute deviation (MAD). It is calculated by the formula
(a) Find the mean absolute deviation of the data set In Exercise,. Compare your result with the sample standard deviation obtained In Exercise,.
(b) Find the mean absolute deviation of the data set In Exercise,. Compare your result with the sample standard deviation obtained In Exercise,.
In Exercise, find the range, mean, variance, and standard deviation of the sample data set.
Ages of Shoppers The ages (in years) of a random sample of shoppers at a clothing outlet
16 |
18 |
19 |
17 |
14 |
15 |
17 |
17 |
17 |
16 |
19 |
22 |
24 |
14 |
16 |
14 |
17 |
16 |
14 |
18 |
In Exercise, find the range, mean, variance, and standard deviation of the sample data set.
Pregnancy Durations The durations (in days) of pregnancies for a random sample of mothers
277 |
291 |
295 |
280 |
268 |
278 |
291 |
277 |
282 |
279 |
296 |
285 |
269 |
293 |
267 |
281 |
286 |
269 |
264 |
299 |
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