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8.5 Additional information and full hypothesis test examples --  (Page 49/51)

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  • Card 49 / 51:
    According to the N.Y. Times Almanac the mean family size in the U.S. is 3.18. A sample of a college math class resulted in the following family sizes: At α = 0.05 level, is the class’ mean family size greater than the national average? Does the Almanac result remain valid? Why?

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Source:  OpenStax, Statistics i - math1020 - red river college - version 2015 revision a - draft 2015-10-24. OpenStax CNX. Oct 24, 2015 Download for free at http://legacy.cnx.org/content/col11891/1.8
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