2061_10%20Day%209_Normal%20distribution%20BB-1

2061_10%20Day%209_Normal%20distribution%20BB-1 - Day 9:...

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Chapter 6 – 1 Day 9: Sampling and the Normal Distribution Properties of the Normal Distribution Shapes of Normal Distributions Standard (Z) Scores The Standard Normal Distribution
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Chapter 6 – 2 Normal Distribution – A bell-shaped and symmetrical theoretical distribution , with the mean, the median, and the mode all coinciding at its peak and with frequencies gradually decreasing at both ends of the curve. Normal Distributions The normal distribution is a theoretical ideal distribution. Real-life empirical distributions never match this model perfectly. However, many things in life do approximate the normal distribution, and are said to be “normally distributed.”
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Chapter 6 – 3 The Shape of a Normal Distribution: The Normal Curve
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Notice that the standard deviation changes the relative width of the distribution ; the larger the standard deviation, the wider the curve. Different Shapes of the Normal
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This note was uploaded on 02/23/2010 for the course SOCY 2061 taught by Professor Johnson,aa during the Spring '07 term at Colorado.

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2061_10%20Day%209_Normal%20distribution%20BB-1 - Day 9:...

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