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AveGali [126]
3 years ago
5

Suppose your statistics professor reports test grades as z-scores, and you got a score of 2.20 on

Mathematics
1 answer:
motikmotik3 years ago
4 0
This means that you got 2.2 standard deviations above the mean... This is certainly good, but the measure of exactly <em>how </em>good it is depends on the mean, and 1 standard deviation. 
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Solve <br> x=1001+75.55x
gregori [183]

x=1001+75.55x

Simplify

x=<span><span>75.55x</span>+1001</span>

Subtract

x−<span>75.55x</span>=<span><span><span>75.55x</span>+1001</span>−<span>75.55x</span></span>

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Divide

<span><span>−<span>74.55x/</span></span><span>−74.55 = </span></span>

<span><span><span><span><span>1001/<span>−74.55</span></span><span><span>your answer is:</span></span><span>x=<span>−<span>13.42723</span></span></span></span></span></span></span>


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