Mathematics
Grade6
Easy
Question
Determine the mean absolute deviation of the data. 9, 7, 11, 10, 8
- 9
- 6
- 1.2
- 5
Hint:
Algorithm for calculating MAD:
- To find the mean absolute deviation of the data, start by finding the mean of the data set.
- Find the sum of the data values and divide the sum by the number of data values.
- Find the absolute value of the difference between each data value and the mean: |data value – mean|.
- Find the sum of the absolute values of the differences.
- Divide the sum of the absolute values of the differences by the number of data values.
The correct answer is: 1.2
Step 1 of 2:
Given the dataset, 9, 7, 11, 10, 8
The mean is 
= 9
Step 2 of 2:
MAD = 
= 1.2
So, the MAD is 1.2
Final Answer:
The right choice is-- c. 1.2
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