Use the given statistics to complete parts (a) and (b). Assume that the populations are normally distributed. (a) Test whether µ, > µ₂ at the a = 0.10 level of significance for the given sample data. (b) Construct a 90% confidence interval about μ₁ −μ₂. *** H n X (4,0) S Population 1 28 45.7 5.4 A. Rejecing. There is suicient evidence at the av. To level of significance to conclude that P₁ P2. B. Reject Ho. There is not sufficient evidence at the a= 0.10 level of significance to conclude that μ₁>₂. Do not reject H. There is not sufficient evidence at the a= 0.10 level of significance to conclude that Hj > H2. Do not reject Ho. There is sufficient evidence at the = 0.10 level of significance to conclude that µ₁ > P₂. (b) The 90% confidence interval about µ₁ −µ₂ is the range from a lower bound of to an upper bound of (Round to three decimal places as needed Population 2 21 41.5 13.6 More

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