THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 14

Multiple Choice

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A dependent random sample from two normally distributed populations gives the following results:
n = 20,
= 26.5,s₂ = 3.2
-What is the upper confidence limit of the 98% confidence interval for the difference between the population means?

• A)29.81
• B)327.95
• C)20.60
• D)28.32

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