MED 7300 Midterm: STAT 145 UMN Exam1 Fall09
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For credit show or explain all answers: recommendations of sugar consumption are no more than 6 teaspoons of sugar daily for women and 9 for men. Researchers recorded the amount of sugar 20 boys aged. 14-18 consumed in 24-hours to the nearest teaspoon. 31 (a). (4 pts) construct a stemplot of this data. (b). (5 pts) give the five-number summary for this data. Show your work: guidelines suggest that children and adolescents get a minimum of 60 minutes of physical activity daily. Calculate the mean and standard deviation of these ages. Work: mean, standard deviation, highway fuel consumption was measured in a random sample of 22 vehicles. A histogram of their fuel consumption in miles per gallon appears below. Histogram of fuel consumption (mpg) y c n e u q e r. 60 miles per gallon (a) (4 pts) describe the shape, approximate center, and spread of this histogram.
