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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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- Summer '08