THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
Independent random sampling from two normally distributed populations gives the following results:
n x = 64,
= 441,σ x = 20,n y = 36,
= 361,and σ y = 25
-Find the 90% confidence interval for the difference in the means of the two populations.

Question

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
Independent random sampling from two normally distributed populations gives the following results:
n x = 64,  
= 441,σ x = 20,n y = 36,  
= 361,and σ y = 25
-Find the 90% confidence interval for the difference in the means of the two populations.

Quizplus · Accepted Answer

The Answer of THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
Independent random sampling from two normally distributed populations gives the following results:
n x = 64,  
= 441,σ x = 20,n y = 36,  
= 361,and σ y = 25
-Find the 90% confidence interval for the difference in the means of the two populations.