Answered: -what percentage of the employees make…

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015

1st Edition

ISBN:9781680331141

Author:HOUGHTON MIFFLIN HARCOURT

Publisher:HOUGHTON MIFFLIN HARCOURT

Chapter11: Data Analysis And Displays

Section11.5: Choosing A Data Display

Problem 2E

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Question

Employee	Salary (K$)
CEO	299
CTO	250
CIO	250
CFO	290
Manager	77
Manager	123
Manager	84
Manager	63
Manager	68
Manager	49
Manager	82
Manager	87
Supervisor	42
Supervisor	37
Supervisor	29
Supervisor	43
Supervisor	51
Supervisor	38
Supervisor	33
Supervisor	42
Supervisor	49
Worker	25
Worker	19
Worker	41
Worker	17
Worker	26
Worker	25
Worker	21
Worker	28
Worker	27

Look at the data and answer the questions.

-what percentage of the employees make more than the mean salary?

-what percentage of the employees make more than the median salary?

-what percentage of the employees make more than the mode salary?

-in his radio show A Prairie Home Companion host Garrison Keillor regularly tells his audience about Lake Wobegon, where "all the children are above average". Is that possible, with any of the meanings of "average"?

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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