In the data set below, what is the mean absolute deviation? 7,1,4,1,1If the answer is a decimal, round it to the nearest tenth. mean absolute deviation (MAD): _____
Q. In the data set below, what is the mean absolute deviation? 7,1,4,1,1If the answer is a decimal, round it to the nearest tenth. mean absolute deviation (MAD): _____
Calculate Mean: Calculate the mean of the data set 7,1,4,1,1. Add all the numbers: 7+1+4+1+1=14. Divide by the number of data points: 14/5=2.8. Mean = 2.8.
Find Absolute Deviations: Find the absolute deviations from the mean for each data point.For 7: ∣7−2.8∣=4.2.For 1: ∣1−2.8∣=1.8.For 4: ∣4−2.8∣=1.2.For 1: ∣1−2.8∣=1.8.For 1: ∣1−2.8∣=1.8.Absolute deviations: ∣7−2.8∣=4.20.
Calculate Mean of Absolute Deviations: Calculate the mean of the absolute deviations.Add all the absolute deviations: 4.2+1.8+1.2+1.8+1.8=10.8.Divide by the number of data points: 510.8=2.16.Mean absolute deviation = 2.16.
Round Mean Absolute Deviation: Round the mean absolute deviation to the nearest tenth. 2.16 rounded to the nearest tenth is 2.2.Mean absolute deviation (MAD) = 2.2.
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