Ch 6A C-W - production in pounds. Guernsey cows average 39...

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Intro Stats – Classwork Chapter 6 A 1. Given data: 206 177 175 167 162 186 162 206 166 163 a) Compute the mean and the standard deviation (use calculator) b) Compute z-scores c) Compute the mean and the standard deviation of the z-scores Mean = Standard deviation s = Mean of z = Standard deviation of z = d) Make the dotplots of the data and their z-scores 2. Although most of us buy milk by the quart or gallon, farmers measure daily
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Unformatted text preview: production in pounds. Guernsey cows average 39 pounds of milk a day with a standard deviation of 8 pounds. For Jerseys the mean daily production is 43 pounds with a standard deviation of 5 pounds. When being shown at a state fair a champion Guernsey and a champion Jersey each gave 54 pounds of milk. Which cows milk production was more remarkable? Data z-scores 206 177 175 167 162 186 162 206 166 163...
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