Question 21 The mean, as a measure of central location would be inappropriate for which one of the Not yet answered following? Marked out of 1.00 Select one: Flag question O A. Marital status of college students at a particular university O B. Incomes of lawyers O C. Ages of adults at a senior citizen center O D. Number of pages in textbooks on statisticsQuestion 22 In a market research survey, 200 people are shown the proposed design of a new car and they Not yet answered are asked if they like the design. The responses, broken down by age groups, are shown below. Marked out of 2.00 Under 21 Age 21 - 35 Over 35 Total Flag question Liked design 20 40 80 140 Disliked design 30 20 10 60 Total 50 60 90 200 Researcher interested to test whether there's any evidence that age is associated with attitude to the proposed design. At 5% significance level, find the degree of freedom and the critical value for this analysis. Select one: O A. Df = 4; CV = 9.488 O B. Df = 2; CV = 5.991 O C. Df = 4; CV = 7.779 O D. Df = 2; CV = 10.597Question 23 Husband and wife apply for two vacant spots in a company. If the probability of wife getting Not yet answered selected and husband getting selected are = and = respectively, what is the probability that only Marked out of 3.00 one of them will be selected. P Flag question Select one: O A. 21 O B. 5 12 O C. 17 21 O DQuestion 27 In a market research survey, 200 people are shown the proposed design of a new car and they Not yet answered are asked if they like the design. The responses, broken down by age groups, are shown below. Under 21 Age 21 - 35 Over 35 Total Marked out of 3.00 Liked design 20 40 80 140 Flag question (J) (L) Disliked design 30 20 10 60 (K) Total 50 60 90 200 Find the expected frequencies, J, K and L. Select one: O A. J = 22; K = 20; L = 26 O B. J = 42; K = 15; L = 27 O C. J = 35; K = 18; L = 63 O D. J = 15; K = 15; L = 27