Researchers are interested in investigating the relationship between socio-economic class and educational level in city A. They used a survey to collect data on 390 randomly selected residents and summarized the distribution of socio-economic class by educational level in the table below: Education Economic Less than Master's Total Status or High Bachelor's degree or school degree higher Observed 16 17 14 47 Upper Class Expected 21.93 14.22 10.85 47 Chi2- Component 1.6 0.54 Missing (B) Observed 15 18 15 48 Upper Expected 22.4 14.52 11.08 48 Middle Class Chi2- Component 2.44 0.83 1.39 4.66 Observed 33 29 22 84 Lower Expected 39.2 25.42 19.38 84 Middle Class Chi2- Component 0.98 0.5 0.35 1.83 Observed 57 28 21 106 Working Expected 49.47 32.07 24.46 106 Class Chi2- Component 1.15 0.52 0.49 2.16 Observed 61 26 18 Working Expected Missing (A) 31.77 24.23 Poor Chi2- Component 2.94 1.05 1.6 5.59 Total Observed 182 118 90 390 Answer the following questions by choosing the correct answer :Question 44 (1 point] Which one is the value of (A) in the above two-wav table ? Question 45 (1 point] Which one is the value of (B) in the above two-way table? Question 48 (1 point] At a significance level of 0.05, what would be the correct critical value for hypothesis testing