MathMaster1276 MathMaster1276

26-10-2017
Mathematics

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Mr. Battles raised all of his students' scores on a recent exam by 5 points. What effect did this have on the mean and standard deviation of the scores?

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AnimeBrainly AnimeBrainly

26-10-2017

The mean will go up, however little

The standard deviation will also go up.

hope this helps

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coochicans coochicans

26-10-2017

I had to answer this before...

The answer is The mean increased by 5 points, but the standard deviation remained the same.

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