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Warm-ups

Warm-ups. September 19-23, 2011. Warm-up, Statistics Monday, September 19, 2011. Graph the distribution and calculate the mean, mode, and median of the following data set: {10 6 2 3 3 5 2 1 4 10 9 2 3 10 2 1 5} . Warm-up, Statistics Tuesday, September 20, 2011.

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Warm-ups

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  1. Warm-ups September 19-23, 2011

  2. Warm-up, StatisticsMonday, September 19, 2011 Graph the distribution and calculate the mean, mode, and median of the following data set: {10 6 2 3 3 5 2 1 4 10 9 2 3 10 2 1 5}

  3. Warm-up, StatisticsTuesday, September 20, 2011 Enter the following data set in List 4 of your calculator, and use the calculator to calculate the mean, mode, and median of the following data set: {50 45 83 87 64 10 26 99 83 102 12 33 51 77 88 91 23 76 16 11 87 3 54 92 58 73 21 19 37 24 81 50 100}

  4. Warm-up, StatisticsWednesday, September 21, 2011 You have received partial data from a survey which classifies the respondents into children, adults, and senior citizens. You have relative frequencies of 36.85%, 53.45%, and 9.7% approximately, of population in each group, respectively. You also know that there are 104 senior citizens. Prepare a frequency table for the entire population, including the total of children, adults, and senior citizens.

  5. Warm-up, StatisticsThursday, September 22, 2011 • What percent of 4 is 2/3? • If 4 is 23% of X, what is X? • What is 62% of 5? • Fill in the blanks on the following table:

  6. Warm-up, StatisticsFriday, September 23, 2011 • What percent of 18 is 2.95? • If 9 is 27.5% of X, what is X? • What is 36% of 73/13 • A school has a population of 543 boys and 691 girls? Calculate the percentage of boys and of girls in the school population.

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