Explanation Given: The average household income in Missouri. The three most common measures of Central tendency are Mean, Median and Mode. Mean: The mean or average is equal to sum of all values in the data set divided by the number of values in the data set. Mean is best measure of central tendency with continuous data and it is also used with discrete data sometimes. Since mean is affected by outliers, it is the best measure of central tendency when the data is symmetrical. For Example: calculating mean for the following two data sets. 1) 1,2,4,6,8,6,4,3,2 T h e m e a n i s = S u m o f a l l v a l u e s N u m b e r o f v a l u e s = 36 9 = 4 2) 1,2,5,8,10,8,6,3,100 t h e m e a n = S u m o f a l l v a l u e s N u m b e r o f v a l u e s = 143 9 = 15.89 If we observe here because of 100 in the second data set the mean is very high when compared to all data points in the data set. Median: The median is the middle value in the data set when the data is sorted in ascending order...

6th Edition

ISBN: 9780321922205

Author: Bennett

Publisher: PEARSON CO

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Chapter 6.A, Problem 21E

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Chapter 6.A, Problem 20E

Chapter 6.A, Problem 22E

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