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Mean, Median, Mode, and Range

Mean, Median, Mode, and Range. #28. 13. 23. 21. 20. 21. 24. 18. VOCABULARY. Players on a volleyball team measured how high they could jump . The results in inches are recorded in the table.

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Mean, Median, Mode, and Range

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  1. Mean, Median, Mode, and Range #28

  2. 13 23 21 20 21 24 18 VOCABULARY Players on a volleyball team measured how high they could jump. The results in inches are recorded in the table. One way to describe this data set is to find the mean. The mean is the sum of all the items divided by the number of items in the set. Sometimes the mean is also called the average. The mean of this set of data is the average height that the volleyball team could jump.

  3. Depths of Puddles (in.)‏ 5 8 3 5 4 2 1 Example 1: Finding the Mean of a Data Set Find the mean of each data set.

  4. Number of Points Scored 96 75 84 7 Example 2: Finding the Mean of a Data Set Find the mean of each data set.

  5. Rainfall per month (in.)‏ 1 2 10 2 5 6 9 Example 3 Find the mean of each data set.

  6. Most Career Touchdowns, Miami Dolphins 82 59 Example 4 Find the mean of each data set. 57 43 75 59

  7. VOCABULARY Some other descriptions of a set of data are called the median, mode, and range. • The median is the middle value when the data are in numerical order, or the mean of the two middle values if there are an even number of items. • The mode is the value or values that occur most often. There may be more than one mode for a data set. If no value is repeated in the set, the data set has no mode. • The range is the difference between the least and greatest values in the set.

  8. Car Wash Totals 6th Grade 12 7th Grade 11 8th Grade 14 9th Grade 15 Example 5: Finding the Mean, Median, Mode, and Range of a Data Set Find the mean, median, mode, and range of the data set.

  9. 53 26 Example 6 Find the mean, median, mode, and range of each data set. Number of Vacation Days 47 12

  10. 6 8 Example 7 Find the mean, median, mode, and range of each data set. Height of Tomato Plants (in.) 11 7 8

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