A researcher is estimating the average difference between two population means based on matched-pairs samples.She gathers data on each pair in the study resulting in: Assume that the data are normally distributed in the population.A 95% confidence interval would be ___.
A)-3.02 to -0.18
B)-1.6 to -1.09
C)-2.11 to 1.09
D)-2.11 to -1.09
E)-3.23 to 2.23

Question

A researcher is estimating the average difference between two population means based on matched-pairs samples.She gathers data on each pair in the study resulting in:  Assume that the data are normally distributed in the population.A 95% confidence interval would be ___.
A)-3.02 to -0.18 
B)-1.6 to -1.09 
C)-2.11 to 1.09 
D)-2.11 to -1.09 
E)-3.23 to 2.23

Quizplus · Accepted Answer

The Answer of A researcher is estimating the average difference between two population means based on matched-pairs samples.She gathers data on each pair in the study resulting in:  Assume that the data are normally distributed in the population.A 95% confidence interval would be ___.
A)-3.02 to -0.18 
B)-1.6 to -1.09 
C)-2.11 to 1.09 
D)-2.11 to -1.09 
E)-3.23 to 2.23

A Researcher Is Estimating the Average Difference Between Two Population