Marvel movies - Kylie is a huge fan of Marvel movies. She finds an online poll that asks, "What is the best movie of the

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Marvel Movies Kylie Is A Huge Fan Of Marvel Movies She Finds An Online Poll That Asks What Is The Best Movie Of The 1 (59.95 KiB) Viewed 107 times

Marvel movies - Kylie is a huge fan of Marvel movies. She finds an online poll that asks, "What is the best movie of the Marvel Cinematic Universe?" and saves the data. For a class project she wants to determine if the distribution of her classmates favorite Marvel movies is different from the one published in the online poll. She surveys the 285 students in her statistics class. The table below contains the percentages reported by the online poll and the observed counts from her classmates. Report all calculated answers to 4 decimal places. Movie Observed Count Poll Percentage 18.1% 14% 46 34 40 Captain America: The Winter Soldier Guardians of the Galaxy The Avengers Captain America: Civil War Iron Man Doctor Strange Other Marvel movie 13.9% 11.4% 7.5% 37 3.7% 31.4% 10 10 108 Kylie wants to conduct a hypothesis test to test the hypotheses: H,: The distribution of my classmates is the same as the online poll H: The distribution of my classmates is not the same as the online poll. 1. Which type of hypothesis test should Kylie use? A. X goodness of fit test OB. One sample Z-test for a population proportion OCX test of independence OD. Two sample 2-test for the difference in population proportions 2. What conditions must be met for the hypothesis test to be valid? A. There must be at least 3 levels of the categorical variable. B. There must be at least 10 'success' and 10 'failure' observations OC. Population data must be nearly normal or the sample size must be at least D. There must be an expected count of at least 5 for each level of the categorical variable. E. Each observation must be independent of all other observations. 3. Under the null hypothesis, what is the expected count for the movie The Avengers? expected value = 4. When calculating the test statistic, what is the contribution from the movie The Avengers? contribution = 5. What is the degrees of freedom for the test statistic? df = 6