119. The moving violation data from Problem (111) have been summarized in the following table. Recall: These were sample data. # VIOLATIONS FREQUENCY 13 5 2 5 4 2 6 1 11 27 Note: x² = 214 a. Calculate the mean of the number of violations. b. Calculate the standard deviation for the number of violations data. c. Explain why, despite being grouped, the answers are exactly the same as in Exercise (111). 1. Table 3124

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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119. The moving violation data from Problem
(111) have been summarized in the following
table. Recall: These were sample data.
# VIOLATIONS FREQUENCY
13
5
2
5
4
2
1
11
27
Note: x = 214
a. Calculate the mean of the number of
violations.
b. Calculate the standard deviation for
the number of violations data.
c. Explain why, despite being grouped,
the answers are exactly the same as in
Exercise (111).
1.
Table 3124
Transcribed Image Text:119. The moving violation data from Problem (111) have been summarized in the following table. Recall: These were sample data. # VIOLATIONS FREQUENCY 13 5 2 5 4 2 1 11 27 Note: x = 214 a. Calculate the mean of the number of violations. b. Calculate the standard deviation for the number of violations data. c. Explain why, despite being grouped, the answers are exactly the same as in Exercise (111). 1. Table 3124
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