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# Solved: Usual and Unusual Values. In Exercises 912, consider a value to be unusual if

ISBN: 9780321836960 18

## Solution for problem 12 Chapter 3-4

Elementary Statistics | 12th Edition

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Problem 12

Usual and Unusual Values. In Exercises 912, consider a value to be unusual if its z score is less than 2 or greater than 2.Female Voice Based on data from Data Set 17 in Appendix B, the words spoken in a day by women have a mean of 16,215 words and a standarddeviation of 7301 words. Consider the women with an unusual word count in a day. What are the numbers of words that separate the unusual wordcounts from those that are usual?

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STAT 30100 Sec 1.1----1.3 Variable: something that takes on multiple values TYPES OF VARIABLES Quantitative: uses numbers Categorical: uses names or labels DISTRIBUTION OF VARIABLES Distribution of a variable: the values a variable takes and how often it takes on each value GRAPHING...

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