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Description
Flashcards by Hayden Molenkamp, updated more than 1 year ago
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Created by Hayden Molenkamp
almost 3 years ago
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| Question | Answer |
| What is standard deviation? | Average distance that a number is from the mean. |
| What character shows Standard Deviation? | Sx |
| What is the rule for normal distribution? | 68-95-99.7 |
| What is a Z-Score | The measure of the amount of standard deviations a number is from the mean |
| How are Z-Scores calculated? | (x - Mean) ÷ Standard Deviation |
| How do you convert from Z-Scores? | x = Z-score x SD + mean |
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