A hypothesis test and population means

Statistics
Tutor: None Selected Time limit: 1 Day

A hypothesis test is to be performed to test the equality of two population means.  The sample sizes are large and the samples are independent.  A 95% confidence interval for the difference between the population means is (1.4, 8.7).   If the hypothesis test is based on the same samples, which of the following do you know for sure:

A: The hypothesis μ1=μ2 would be rejected at the 5% level of significance.
 B: The hypothesis  μ1=μ2 would be rejected at the 10% level of significance.
C: The hypothesis  μ1=μ2

would be rejected at the 1% level of significance.

Jul 29th, 2015

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Both A and B 

A: The hypothesis μ1=μ2 would be rejected at the 5% level of significance.
 B: The hypothesis μ1=μ2 would be rejected at the 10% level of significance.

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Jul 29th, 2015

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