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A random sample of 150 people in a large city was selected. They were each asked their age and whether they are going to the concert being held tonight. The responses are displayed in the table.   An organizer for the concert would like to know if these data provide convincing evidence of a relationship between age and whether they are going to tonight’s concert in the population of all people in this city. The random and 10% conditions are met, and this table of expected counts shows that all expected counts are at least 5.   What is the value of the chi-square test statistic and P-value of this test? Find the chi-square table here. χ‑2 = 6.40. The P-value is between 0.02 and 0.025. χ‑2 = 6.40. The P-value is between 0.025 and 0.05. χ‑2 = 7.64. The P-value is between 0.02 and 0.025. χ‑2 = 7.64. The P-value is between 0.025 and 0.05.

A random sample of 150 people in a large city was selected. They were each asked their age and whether they are going to the concert being held tonight. The responses are displayed in the table.   An organizer for the concert would like to know if these data provide convincing evidence of a relationship between age and whether they are going to tonight’s concert in the population of all people in this city. The random and 10% conditions are met, and this table of expected counts shows that all expected counts are at least 5.   What is the value of the chi-square test statistic and P-value of this test? Find the chi-square table here. χ‑2 = 6.40. The P-value is between 0.02 and 0.025. χ‑2 = 6.40. The P-value is between 0.025 and 0.05. χ‑2 = 7.64. The P-value is between 0.02 and 0.025. χ‑2 = 7.64. The P-value is between 0.025 and 0.05.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A random sample of 150 people in a large city was selected. They were each asked their age and whether they are going to the concert being held tonight. The responses are displayed in the table.

 

An organizer for the concert would like to know if these data provide convincing evidence of a relationship between age and whether they are going to tonight’s concert in the population of all people in this city. The random and 10% conditions are met, and this table of expected counts shows that all expected counts are at least 5.

 

What is the value of the chi-square test statistic and P-value of this test?

Find the chi-square table here.

χ‑2 = 6.40. The P-value is between 0.02 and 0.025.
χ‑2 = 6.40. The P-value is between 0.025 and 0.05.
χ‑2 = 7.64. The P-value is between 0.02 and 0.025.
χ‑2 = 7.64. The P-value is between 0.025 and 0.05.
Age Younger than 25 25 to 65 Older than 65 Going 10 8 Attending Concert? Not Going 28 33 65
Transcribed Image Text:Age Younger than 25 25 to 65 Older than 65 Going 10 8 Attending Concert? Not Going 28 33 65
Age Younger than 25 25 to 65 Older than 65 Going 6.08 6.56 11.36 Attending Concert? Not Going 31.92 34.44 59.64
Transcribed Image Text:Age Younger than 25 25 to 65 Older than 65 Going 6.08 6.56 11.36 Attending Concert? Not Going 31.92 34.44 59.64
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