The total blood cholesterol level was measured for each of 20 adults. Here are the 20 measurements (in mg dL 129, 138, 154, 158, 170, 172, 176, 176, 184, 187, 189, 190, 199, 199, 201, 206, 213, 220, 227, 249 Send data to calculator Frequency 8. 6+ 4+ 24 0 125 2 150 Send data to Excel 175 200 Cholesterol level (in mg/dl) Answer the questions below. (a) For these data, which measures of central tendency take more than one value? Choose all that apply. (b) Suppose that the measurement 249 (the largest measurement in the data set) were replaced by 348. Which measures of central tendency would be affected by the change? Choose all that apply. (c) Suppose that, starting with the original data set, the largest measurement were removed. Which measures of central tendency would be changed from those of the original data set? Choose all that apply. 225 Mean Median 2 OMean OMedian OMode ONone of these measures 250 Mean Median OMode ONone of these measures OMode None of these measures Español BH 100

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The total blood cholesterol level was measured for each of 20 adults. Here are the 20 measurements (in mg/dL):

129, 138, 154, 158, 170, 172, 176, 176, 184, 187, 189, 190, 199, 199, 201, 206, 213, 220, 227, 249

**Graph: Frequency Histogram**
- The histogram displays the frequency of cholesterol levels grouped in intervals:
  - 125-150: 2 measurements
  - 150-175: 4 measurements
  - 175-200: 8 measurements
  - 200-225: 4 measurements
  - 225-250: 2 measurements

**Questions:**

(a) For these data, which measures of central tendency take more than one value? Choose all that apply.
- [ ] Mean
- [ ] Median
- [x] Mode
- [ ] None of these measures

(b) Suppose that the measurement 249 (the largest measurement in the data set) were replaced by 348. Which measures of central tendency would be affected by the change? Choose all that apply.
- [x] Mean
- [ ] Median
- [ ] Mode
- [ ] None of these measures

(c) Suppose that, starting with the original data set, the largest measurement were removed. Which measures of central tendency would be changed from those of the original data set? Choose all that apply.
- [x] Mean
- [x] Median
- [ ] Mode
- [ ] None of these measures

**Note:** The fingers in the image are overlapping some of the checkboxes, so it is assumed that they’re indicating responses for the multiple-choice questions.
Transcribed Image Text:The total blood cholesterol level was measured for each of 20 adults. Here are the 20 measurements (in mg/dL): 129, 138, 154, 158, 170, 172, 176, 176, 184, 187, 189, 190, 199, 199, 201, 206, 213, 220, 227, 249 **Graph: Frequency Histogram** - The histogram displays the frequency of cholesterol levels grouped in intervals: - 125-150: 2 measurements - 150-175: 4 measurements - 175-200: 8 measurements - 200-225: 4 measurements - 225-250: 2 measurements **Questions:** (a) For these data, which measures of central tendency take more than one value? Choose all that apply. - [ ] Mean - [ ] Median - [x] Mode - [ ] None of these measures (b) Suppose that the measurement 249 (the largest measurement in the data set) were replaced by 348. Which measures of central tendency would be affected by the change? Choose all that apply. - [x] Mean - [ ] Median - [ ] Mode - [ ] None of these measures (c) Suppose that, starting with the original data set, the largest measurement were removed. Which measures of central tendency would be changed from those of the original data set? Choose all that apply. - [x] Mean - [x] Median - [ ] Mode - [ ] None of these measures **Note:** The fingers in the image are overlapping some of the checkboxes, so it is assumed that they’re indicating responses for the multiple-choice questions.
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