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Mathematics (09) Practice Test - MTELs Mathematics (09) Practice Test - MTELs
Mathematics (09) Practice Test70. Each of the numbers in a normally distributed data set ismultiplied by two. How does this transformation affect themean, the median, and the shape of the frequency distributioncurve?A. The mean doubles, but the median and the shape staythe same.B. The mean and the median double, and the shapebecomes wider.C. The median doubles, but the mean and the shape staythe same.D. The median and the mean stay the same, but the shapebecomes wider.71. According to which of the following horizontal bar charts was the median number of cars soldper day equal to the mean number of cars sold per day?A. B.Fri.Thurs.Wed.Tues.Mon.Fri.Thurs.Wed.Tues.Mon.0 1 2 3 4 5Cars Sold0 1 2 3 4 5Cars SoldC. D.Fri.Thurs.Wed.Tues.Mon.Fri.Thurs.Wed.Tues.Mon.0 1 2 3 4 5Cars Sold0 2 3 41 5Cars Sold44
Mathematics (09) Practice Test72. Use the histogram below to answer the question thatfollows.54Frequency32100–9 10–19 20–29 30–39 40–49 50–59 60–69 70–79 80–89 90–100Test ScoreTwenty-five students took a test. Their scores are representedby the histogram above. Which of the following scores couldbe in the 60th percentile?A. 16B. 41C. 61D. 7645
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Mathematics (09) Practice Test70. Each of the numbers in a normally distributed data set ismultiplied by two. How does this trans<strong>for</strong>mation affect themean, the median, and the shape of the frequency distributioncurve?A. The mean doubles, but the median and the shape staythe same.B. The mean and the median double, and the shapebe<strong>com</strong>es wider.C. The median doubles, but the mean and the shape staythe same.D. The median and the mean stay the same, but the shapebe<strong>com</strong>es wider.71. According to which of the following horizontal bar charts was the median number of cars soldper day equal to the mean number of cars sold per day?A. B.Fri.Thurs.Wed.Tues.Mon.Fri.Thurs.Wed.Tues.Mon.0 1 2 3 4 5Cars Sold0 1 2 3 4 5Cars SoldC. D.Fri.Thurs.Wed.Tues.Mon.Fri.Thurs.Wed.Tues.Mon.0 1 2 3 4 5Cars Sold0 2 3 41 5Cars Sold44
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