Use the following information to find the  𝜒 2  test statistic based upon the observed count, and expected probabilities. Category Cat Dog Rhino Other Observed Counts 4 54 6 83 Expected Probabilities ? 0.21 0.25 0.19 简答题

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A social psychologist wants to determine if socioeconomic status is related to game-playing preferences. A total of 50 children in a random sample were identified from families of low, middle, and high socioeconomic status, and each child was asked to select one of the following 4 games: Monopoly, Battleship, Life, or Connect Four. The psychologist performed a hypothesis test to test this association which yielded a test statistic of 5.0. What can we say about the p-value, 𝐻 0 , and the conclusion at the 𝛼 = 0.01  level of significance?

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Use the following information to find the  𝜒 2  test statistic based upon the observed count, and expected probabilities. Category Cat Dog Rhino Other Observed Counts 7 82 4 57 Expected Probabilities ? 0.03 0.19 0.23

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