# Question: A confidence interval for 1 2 is 10 4

A confidence interval for (µ1 - µ2) is (-10, 4). Which of the following inferences is correct?

a. µ1 > µ2

b. µ1 < µ2

c. µ1 = µ2

d. no significant difference between means

a. µ1 > µ2

b. µ1 < µ2

c. µ1 = µ2

d. no significant difference between means

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