Question: 1-- In testing the difference between two population means using two independent samples, the sampling distribution of the sample mean difference x 1 x 2

1--In testing the difference between two population means using two independent samples, the sampling distribution of the sample mean differencex₁x₂is normal if the

A.populations are normal.

B.populations are nonnormal and the sample sizes are large.

C.sizes are both greater than 30.

D.population sizes are both greater than 30.

2-What is the slope of the line that passes through the points (5, 8) and (3,8)?

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