# Stats

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A Math test has a mean of 51 and standard deviation of 5.0. Find the corresponding z scores for:

I. a test score of 64
II. a test score of 47

• Stats -

Z = (score-mean)/SD

Insert the values and calculate.

• Stats -

Z = 64-51/5.0 = 13/5.0 = 2.6
Z = 47-51/5.0 = -4/5.0 = -0.8

Is this correct?

• Stats -

You got it!

• Stats -

yay!! thank u!!

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