A questionnaire was given to parents of 71 children in kindergarten through second grade. Two social class groups, middle and working, were identified based on the mother's occupation. For parts (a) and (b) below, determine whether the two assumptions, 'all expected frequencies are 1 or greater' and 'at most 20% of the expected frequencies are less than 5', are satisfied for a chi-square independence test. If so, conduct the test and interpret your results. Use a = 0.01. a. One of the questions dealt with the children's knowledge of nursery rhymes. Click the icon to view the data obtained regarding children's knowledge of nursery rhymes. b. Another question dealt with whether the parents played "I spy" games with their children. Click the icon to view the data obtained regarding "I spy" games. - X O B. No, because at least one expected frequency is less than 1. More Info O C. No, because more than 20% of the expected frequencies are less than 5. Choose the correct null hypothesis and alternative hypothesis. Frequency of games Never Sometimes Often O A. Ho: Social class and Frequency of games are dependent. Social Middle 2 9 22 H: Social class and Frequency of games are independent. class Working 12 11 15 &B. Ho: Social class and Frequency of games are independent. H : Social class and Frequency of games are dependent. O C. Ho: Social class and Frequency of games have equal proportions. Print Done He: Social class and Frequency of games have non-equal proportions. O D. The chi-square independence test cannot be conducted. Calculate the chi-square test statistic. Select the correct answer below and, if necessary, fill in the answer box within your choice. A. x =(Round to three decimal places as needed.) O B. The chi-square independence test cannot be conducted. Help me solve this View an example Get more help - Media - Clear all Check answer MacBook Air