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Suppose we compare two population means, μ1 - μ2. In each case, indicate how μ1 relates to μ2:
a. μ1 - μ2 < 0
b. μ1 - μ2 = 0
c. μ1 - μ2 < -10
d. μ1 - μ2 > 0
e. μ1 - μ2 > 20
f. μ1 - μ2 ≠ 0
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