Unit 7 Lesson 16.2
Mean Absolute Deviation
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An engineer is testing two designs for a catapult. She wants the catapult to launch objects 150 feet. The engineer records the distances in feet for 10 trials for the two designs, shown below
Catapult A: 144, 154, 148, 147, 150, 150, 156, 151, 153, 151
Catapult B: 150, 148, 149, 151, 153, 152, 150, 144, 152, 153
1) Calculate the mean absolute deviation for Catapult A
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2) Calculate the mean absolute deviation for Catapult B
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3) Which catapult has less variability?
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Catapult A
Catapult B
A restaurant owner orders tomatoes from 2 different farms. The weights of a random sample of 10 tomatoes from each farm are shown below in ounces.
Culver Farm: 3.1, 4.3, 5.2, 4.9, 3.8, 4.1, 4.3, 3.9, 4.3, 3.2
Jonesville Farm: 4.1, 5.5, 4.9, 5.4, 4.9, 5.1, 5.9, 5.2, 4.8, 5.1
4) Calculate the mean absolute deviation for tomatoes from Culver Farm.
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5) Calculate the mean absolute deviation for tomatoes from Jonesville Farm.
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6) Which tomatoes have less variability?
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Culver Tomatoes
Jonesville Tomatoes
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