12) Some people believe that boys who play video games are prone to anger more quickly than boys who don't play video games. Here is a two-way table of the results of a study: How many got into How many did not Total fights get into fights Boys who play video 36 55 91 games Boys who don't play 578 video games 1436 2014 Total 614 1491 2105 a) Based on the above table, calculate the value of chi-square. b) Based on the above table, calculate the degrees of freedom. c) What is the P-value? What can you conclude from this value?
12) Some people believe that boys who play video games are prone to anger more quickly than boys who don't play video games. Here is a two-way table of the results of a study: How many got into How many did not Total fights get into fights Boys who play video 36 55 91 games Boys who don't play 578 video games 1436 2014 Total 614 1491 2105 a) Based on the above table, calculate the value of chi-square. b) Based on the above table, calculate the degrees of freedom. c) What is the P-value? What can you conclude from this value?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Expert Solution
Step 1
(a)
State the hypotheses.
Null hypothesis:
Obtain the value of the test statistic.
The value of the test statistic is obtained below:
Thus, the value of the test statistic is 4.971
Step 2
(b)
Obtain the degrees of freedom.
The degrees of freedom is obtained below:
Thus, the degrees of freedom is 1.
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