Answered: Use BW to organize these traffic light…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Question

Use BW to organize these traffic light waiting times (in seconds) into six uniform intervals, then
construct a table of values for your grouped data.

DATA: 6, 11, 14, 12, 16, 25, 21, 24, 17, 19, 20, 2, 14, 11, 8, 4, 7, 10, 14, 22

Use your grouped data table of values to calculate:
a) Grouped data mean

b) Grouped data median

c) Grouped data mode

d) Grouped data standard deviation

construct a box-and-whisker plot for the traffic light waiting times (use ungrouped data)

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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