Explanation Definition: Measures of central tendency: Weighted Mean: If a list of scores x 1 , x 2 , x 3 , ....... x n occurs w 1 , w 2 , w 3 , ....... w n times, respectively, then the weighted mean is given by, x ¯ = ∑ ( w ⋅ x ) ∑ w Median: The central number when the numbers in the data set are arranged in ascending order. If there are two central numbers (in the case of even number of data) then the median is the mean of these two central numbers. Mode: Mode is the most repeating data value in the dataset. It is possible to have more than one mode. Calculation: The given dataset is, Test score Frequency 90 1 80 3 70 9 60 5 50 2 Total number of data values is sum of the frequency. ∑ w = ( 1 + 3 + 9 + 5 + 2 ) ∑ w = 20 Weighted Mean is calculated as shown below:

13th Edition

ISBN: 9780357325865

Author: SMITH

Publisher: CENGAGE L

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Chapter 14.2, Problem 35PS

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To find:

The mean, the median, and mode for the given data of scores.

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Chapter 14.2, Problem 34PS

Chapter 14.2, Problem 36PS

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Chapter 14 Solutions

NATURE OF MATHEMATICS LL + WEBASSIGN

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The mean, the median, and mode for the given data of scores.

Solution Summary: The author calculates the weighted mean, median, and mode for the given data of scores.

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To find: The mean, the median, and mode for the given data of scores.

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Chapter 14 Solutions

To find:

The mean, the median, and mode for the given data of scores.