Statistics Chi- Square

Name: Psych 091 - Chi-Square Activity 1. A researcher is interested in which football teams people in Los Angeles like. He asks 90 people which football team they like and only asks about past and present Los Angeles teams: The Rams, Chargers, and Raiders. He records data below. Rams Chargers Raiders 50 15 25 a) Are these observed frequencies (fo) or expected frequencies (fe)? b) What kind of test will he need to run? c) What is his null hypothesis? d) Complete the expected frequencies below (fe)? Chargers Raiders Rams e) Calculate your Chi-Square value below X- crit = x = f) What did he find? 2. If he wants to know whether men and women differ in the teams they support (Rams, Chargers, or Raiders), what kind of test should he run