The following information was obtained from matched samples taken from two populations.Assume the population of differences is normally distributed. The 98% confidence interval for the difference between the two population means is
A) -3.776 to 1.776.
B) -4.747 to 2.747.
C) -1.776 to 2.776.
D) -4.747 to 1.776.

Question

The following information was obtained from matched samples taken from two populations.Assume the population of differences is normally distributed.  ​ The 98% confidence interval for the difference between the two population means is
A) -3.776 to 1.776. 
B) -4.747 to 2.747. 
C) -1.776 to 2.776. 
D) -4.747 to 1.776.

Quizplus · Accepted Answer

The Answer of The following information was obtained from matched samples taken from two populations.Assume the population of differences is normally distributed.  ​ The 98% confidence interval for the difference between the two population means is
A) -3.776 to 1.776. 
B) -4.747 to 2.747. 
C) -1.776 to 2.776. 
D) -4.747 to 1.776.

The Following Information Was Obtained from Matched Samples Taken from Two