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Author Question: The Empirical Rule says that for a normal curve, approximately 68 of the values fall within 1 ... (Read 55 times)

Sportsfan2111

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on: Jul 24, 2018
The Empirical Rule says that for a normal curve, approximately 68 of the values fall within 1 standard deviation of the mean in either direction, while 95 of the values fall within 2 standard deviations of the mean in either direction. Explain why you don't have twice as many values within 2 standard deviations as you do within 1 standard deviation.

Question 2

A(n) __________ represents the number of standard deviations the observed value or score falls above or below the mean.
 Fill in the blank(s) with correct word


duy1981999

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Reply #1 on: Jul 24, 2018
Answer to Question 1

BECAUSE OF THE NORMAL, OR BELL-SHAPED CURVE. THE MAJORITY (68) FALL CLOSE TO THE MEAN, WHERE THE BELL PART OF THE CURVE IS. AS YOU MOVE AWAY, YOU GET INTO THE TAILS OF THE CURVE, WHICH CONTAIN LESS AREA.

Answer to Question 2

STANDARD SCORE (OR Z-SCORE)


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