1. | Find the mean of the data below. 7, 23, 11, 32, 9 |
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2. | Find the MAD for the data set below. 18, 15, 24, 12, 29, 31, 24, 19, 27 |
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3. | Which data set has a larger spread in the top 25%? Joy: 52, 67, 73, 81, 83, 89, 93 Chrystal: 68, 72, 73, 79, 84, 85 Jacob: 72, 75, 78, 81, 85, 89, 98 Sasha: 88, 89, 92, 95, 95, 96, 100 |
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4. | Which of the following statements is NOT true about the two data sets below? Set A: 156, 175, 122, 141, 178, 111 147.17 148.5 Set B: 189, 210, 167, 100, 125, 143 155.67 155 |
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5. | If a data set has an outlier, which measure of central tendency would be the best measure of the middle to use? |
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6. | Your county is conducting a survey to determine the mean annual income per household. Which of the following sampling methods would be more likely to result in a representative sample? |
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