Two random samples have been selected and a 95% confidence interval for the difference in population means μ 1 – μ 2, is constructed. The results are s 1 = 2.5, , n 1 = 30, s 2 = 2.9, , n 2 = 35, and df = 29. Use this data for questions 4 and 5.
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, n 1 = 30, s 2 = 2.9, 
, n 2 = 35, and df = 29. Use this data for questions 4 and 5.