1 why are z scores most often written with two decimal

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1. Why are Z scores most often written with two decimal places?

2. What is the Z score for a X value one standard deviation below the mean?

3. Your offspring cam e home with a 105 on a mathematics test that had on a national mean of 105 and a 55 on an English test that had a national mean of 55. On which test did your offspring do better when compared to the other students in who took the test?

Reference no: EM13607184

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