Is the transportation mode used to ship goods independent of type of industry?Suppose the following contingency table represents frequency counts of types of transportation used by the publishing and computer hardware industries.Analyze the data by using relevant test to determine whether type of industry is independent of transportation mode at 5%level of significance. Transportation Mode Air Train TruckPublishing321241Hardware5624

State the hypotheses. Null hypothesis: Alternative hypothesis:

Answered: Is the transportation mode used to ship…

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

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ISBN:9780079039897

Author:Carter

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Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 4AGP

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Is the transportation mode used to ship goods independent of type of industry?Suppose the following contingency table represents frequency counts of types of transportation used by the publishing and computer hardware industries.Analyze the data by using relevant test to determine whether type of industry is independent of transportation mode at 5%level of significance.

Transportation Mode

Air Train Truck

Publishing	32	12	41
Hardware	5	6	24

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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