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Project 3: Using a random sample, a survey was conducted on women who were married within 39 months and remained married at the time of the survey. The women were asked to indicate whether they were "satisfied" or "dissatisfied" with their marital life, and classified in two groups accordingly. The following table compares the two groups of women with respect to the duration of marriage. The results are as follows: Duration of marriage Satisfied Dissatisfied (No. of months) (f1) (f2) 0 to 2 34 10 3 to 4 41 16 5 to 9 50 23 10 to 14 39 25 15 to 19 18 14 20 to 39 15 16 Total 197 104 You need to: (1) Explain which statistical procedure you would apply to determine whether there is a difference in duration of marriage between the two groups; (2) Construct a null hypothesis and an alternative hypothesis; (3) Test the null hypothesis at the significant level of 0.01 and explain the results