Answered: Scores F 30-34 6. 35-39 16 40-44 15…

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter1: Fundamental Concepts Of Algebra

Section1.4: Fractional Expressions

Problem 7E

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Question

Give the value of the following;
a. mean
b. median
c. mode
d. range (using midpoint)
e. variance
f. mean absolute deviation (MAD)
g. standard deviation
h. coefficient of variation

Scores
F
30-34
6.
35-39
16
40-44
15
45-49
12
50-54
4

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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