| MyStatLab Data set - Google Chrome statcrunch.commscomm 62kidmemprodip.. 1 PM P StatCrunch ? Save MyStatLab Data Set Th StatCrunch Applets ~ Edit Data Stat Graph Help am in an cla and b. bel Row Time Spent_Studying A B C var5 Less than 3 hours 3 18 10 3-5 hours 15 15 8 More than 5 hours 21 14 17 a. Using a = 0.10, perform a chi-square test to determine if a student's grade on the exam and the hours spent studying for it are independent of one another. Identify the null and alternative hypotheses for a chi-square test of independence based on the information in the table. Choose the correct answer below. O A. Ho: The variables A, B, C, less than 3 hours, 3-5 hours, and more than 5 hours are independent. Hy : At least one of the variables is not independent. O B. Ho: Grade and time spent studying are not independent of one another. H1: Grade and time spent studying are independent of one another. O C. Ho: Grade and time spent studying are independent of one another. Hy: Grade and time spent studying are not independent of one another. O D. Ho: The variables A, B, C, less than 3 hours, 3-5 hours, and more than 5 hours are independent. Hy: None of the variables are independent