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Understanding Median, Mean, and Mode in Numerical Data Sets

This guide covers essential statistical concepts including how to determine the median, mean, and mode of a numerical data set. You'll learn how to organize values in numerical order to find the median, identify the mode, and calculate the mean using examples from a survey in leisure activities. Additionally, it analyzes participant numbers in various activities, helping to reinforce these statistical skills through practical exercises.

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Understanding Median, Mean, and Mode in Numerical Data Sets

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  1. 1. Copy and complete: The ? of a numerical data set is the middle number when the values are written in numerical order. median ANSWER Prerequisite Skills VOCABULARY CHECK

  2. 2. 0.2, 1.3, 0.9, 1.5, 2.1, 1.8, 0.6 ANSWER 1.2, 1.3,no mode 103, 121, 111, 194, 99, 160, 134, 160 3. 135.25, 127.5, 160 ANSWER Prerequisite Skills SKILL CHECK Find the mean, median, and mode(s)of the data.

  3. In Exercises 4 and 5, use the bar graph, which shows the numbers of adults who participate in leisure activities, according to the results of a survey. 4. Which activities have fewer than60participants? baking, playing cards ANSWER Prerequisite Skills SKILL CHECK

  4. 5. Of those surveyed, how many more read books than play cards? 29people ANSWER Prerequisite Skills SKILL CHECK

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