1. Refer to the application at the beginning of the lesson. Compare the interquartile ranges of the temperatures in San Fransco and Columbus.
2. Describe how the mean is affected by an outlier.
3. Predict the following.
a. If you were to measure the height of all of the students in your school, in which group of students might you find outliers?
b. If you were to measure the weight of all of the students in your school, in which group of students might you find outliers?
4. Explain the difference between range as defined in lesson 5-2 and range as defined in this lesson.
Find the range, median, upper quartile, lower quartile, and interquartile range of each set of data. Identify any outliers.
5. 16, 24, 11, 17, 19
6. 43, 45, 56, 37, 11, 34
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| Job | Average Salary |
| Civil Engineer | $55,800 |
| Computer System Analyst | $42,700 |
| Electrical Engineer | $59,100 |
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9. Refer to the data in Example 1. Find the mean, upper quartile and lower quartile, and the interquartile range for the heights of the players.
