'Average amount spent' diaporamas de présentation

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Wedding Statistics and Research 2013

Wedding Statistics and Research 2013. Wedding Business Forecast. U.S. Weddings Overview . Average U.S. Wedding Cost: $26,422 Average U.S. Wedding Flowers: $1,636 Weddings in 2013 No increase in number of weddings No increase in overall budget. Money Spent on Weddings.

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Friday Oct 8

Friday Oct 8. Confidence interval for ? How to obtain Z ?/2 Interpretation of confidence interval What n ? 30, can replace ? by s Read 5.2 Next time: read 5.3. Similarly P(-1.96 < Z < 1.96) = 0.95 Thus P( ? -1.96 ? ? < ? < ? +1.96 ? ? ) = 0.95

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