Explain the steps in calculating the mean absolute deviation of a set of data.
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Explanation:

Step 1: find the mean of the data

Step 2: subtract the mean from every data value

Step 3: find the absolute values of the differences from Step 2

Step 4: find the mean of the absolute values from Step 3. This is the MAD.

The mean and absolute value have their usual definitions.

The mean is the sum of a set of numbers, divided by the number of numbers in the set.

The absolute value is the numerical value of a number with its sign changed to positive, if it isn't already. For example, |-1| = 1 and |1| = 1. The vertical bars signify the absolute value of their contents.

Step-by-step explanation:

The only exception to that is that when you have a negative outside of the absolute value symbol, you will get a negative answer.

Ex: -|3| = -3

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step-by-step explanation:

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x > 1.3

step by step:

8.5−0.9x> 9.8−1.9x

step 1: simplify both sides of the inequality.

−0.9x+8.5> −1.9x+9.8

step 2: add 1.9x to both sides.

−0.9x+8.5+1.9x> −1.9x+9.8+1.9x

1x+8.5> 9.8

step 3: subtract 8.5 from both sides.

1x+8.5−8.5> 9.8−8.5

1x> 1.3

step 4: divide both sides by 1.

1x/1 > 1.3/1