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?

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.