Consider performing a hypothesis test to determine if Republicans, Democrats, and Independents feel differently about the strictness of current gun laws in America.   The null hypothesis is that There is no relationship between political party and opinion on gun law strictness. The alternate hypothesis is that There is a relationship between political party and opinion on gun law strictness.多重下拉选择题

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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?

It is hypothesized that a CroOkeD Die is actually a fair die. Two crooked dice are pictured below. You decide to perform goodness of fit test to decide whether a CroOkeD Die is fair or not. You decide to use a significance level of 0.05. To perform this test, you need to collect some data. The data is included in the following video. Based on this data, what is the p-value? (21:80)

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

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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