The table below shows data for 40 worker’s weekly hours worked. Number of hours worked Frequency 10-19920-291030-391440-497 Use the data from the table to calculate an estimate for the: median mode

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Answered: The table below shows data for 40…

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.1: Stem-and-leaf Plots And Histograms

Problem 10E

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The table below shows data for 40 worker’s weekly hours worked.

Number of hours worked	Frequency
10-19	9
20-29	10
30-39	14
40-49	7

Use the data from the table to calculate an estimate for the:

median
mode

Definition Definition Measure of central tendency that is the value that occurs most frequently in a data set. A data set may have more than one mode if multiple categories repeat an equal number of times. For example, in a data set with five item—3, 5, 5, 29, 473—the mode is 5 because it occurs twice and no other value occurs more than once. On a histogram or bar chart, the element with the highest bar represents the mode. Therefore, the mode is sometimes considered the most popular option. The mode is useful for nominal or categorical data (e.g., the most common color car that users purchase), but it is problematic for continuous data because it is more likely not to have any value that is more frequent than the other.

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