The Following Paired Samples Have Been Obtained from Normally Distributed

question 87

Multiple Choice

The following paired samples have been obtained from normally distributed populations. Construct a 90% confidence interval estimate for the mean paired difference between the two population means.

• A) -571.92 ≤ µ ≤ -172.51
• B) -487.41 ≤ µ ≤ -283.89
• C) -812.21 ≤ µ ≤ -72.61
• D) -674.41 ≤ µ ≤ -191.87

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