SOLUTION: Sheryl got these scores on her spelling tests: 95,89,99,85,82.
What is he Mean Absolute Deviation of her spelling test scores?
I don't want the answer. I just want to know h
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Question 911338: Sheryl got these scores on her spelling tests: 95,89,99,85,82.
What is he Mean Absolute Deviation of her spelling test scores?
I don't want the answer. I just want to know how to figure it out.
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
Sheryl got these scores on her spelling tests: 95,89,99,85,82.
Step 1.)
Find the mean of the data.
Add up
You should get
Divide by since there are tests.
You should get .
So the 1st mean is . Don’t forget this!
Step 2.) Find out how far away each piece of data is from the 1st mean (which was , remember?)
Original Test Score || Distance away from
,--------------------------
,--------------------------
,--------------------------
,--------------------------
--------------------------
Add up
divide by since there are numbers =>
So the Mean Absolute Deviation of Sheryl’s test scores is .
This means that the average distance each of Sheryl’s test scores is away from the original mean of is percentage points.
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