Southwestern Oklahoma State University Chi Square Statistics Exercise

    September 16, 2022

 Question DescriptionIn-class Activity: Chi SquareFor each of the following situations, would a chi-square based on a 2 X 2 table using an alpha level of 0.01 be statistically significant? Justify.Chi square: 1.42Chi square: 14.2P-value: 0.02P- value: 0.15Use Excel to find the p value for each of the following chi-square statistics calculated from a 2 X 2 table. Round your answers to three decimal places.Chi square: 3.17Chi square: 5.02Chi square: 7.88Chi square: 10.81A political poll based on a random sample of 1000 likely voters classified them by gender and asked them if they planned to vote for Candidate A or Candidate B in an upcoming election.State the null and alternative hypotheses in this situation.Calculate the expected counts.Explain in words, the rationale for the expected counts in the context of this example.Calculate the value of the chi-square statistic.Make a conclusion using an alpha level of 0.05. State the conclusion in the context of this situation.FILLER TEXTCandidate ACandidate BTotalMale200250450Female300250550Total5005001000 <

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