# Econometrics questions and answers in March 2023

Suppose we have an i.i.d. sample Xi ∼ N(μ 1 , σ 1 2 ), i = 1, . . . , n, and another independent i.i.d. sample Yj ∼ N(μ 2 , σ 2 2 ), j = 1, . . . , m. The parameters μ k , σ k 2 =, k = 1, 2 ... collect 20 samples values of any variable report using Word showing the results of Excel for the following statistics: 3,3,3,4,4,5,6,7,8,8,9,9,11,14,17,19,21,21,21,22 Frequency Histogram (5 bins, Inte... IDom <- c(12, 13, 20, 15, 10, 8, 12, 14, 13, 11) INon <- c(30, 25, 20, 15, 18, 16, 20, 30, 20, 15) INon <- c(30, 25, 20, 15, 18, 16, 20, 30, 20, 15) Level of significance is 0.10 Are...