Multiple Choice
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.To obtain a 95% confidence interval, the table t value would be ___.
A) 2.132
B) 1.86
C) 2.306
D) 2.976
E) 2.776
Correct Answer:
Verified
Correct Answer:
Verified
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