The following table contains information on matched samples drawn from populations that are assumed to be normally

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The following table contains information on matched samples drawn from populations that are assumed to be normally distributed. PG-69

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a. C onstruct a 95% c o n f id e n c e interval for t h e m e a n difference μ D .

b. Specify th e c o m p e tin g h y p o th e se s in order to test w h eth er th e m ea n difference differs from zero.

c. Using th e con fid en ce interval from part

a, are you able to reject H0? Explain.

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