Chapter 2 Learning Objectives

Chapter 2 Learning Objectives - Chapter 2.3 and 9.2...

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Chapter 2.3 and 9.2 Learning Objectives Measurement 1) Know how to find mean median and mode. 2) A bimodal distribution has two distinct peaks. Each peak is a mode of a portion of the distribution. As an example, a histogram of the time between eruptions of the old faithful geyser is shown below. 3) Misleading mean- if the distribution is far from normal. Ex: survey asking men and women about how many sexual partners they wished to have in the future. Women averaged 2.8 and men averaged 64.3 Half of men said one. Some men wished for hundreds or even tens of thousands of mates, which skewed the results. 4) A range is a statement of the highest and lowest scores. While the Standard Deviation is a measurement of the amount of variation among scores in a normal distribution. 5) When the scores are more clustered towards the mean, the standard deviation is small and when the scores are more widely scattered, the standard deviation is large. 6) 68%,
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This test prep was uploaded on 04/19/2008 for the course PSY 1101 taught by Professor Unknwn during the Winter '08 term at Minnesota.

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Chapter 2 Learning Objectives - Chapter 2.3 and 9.2...

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