Two microprocessors are compared on a sample of 6 benchmark codes to determine whether there is a difference in speed. The times (in seconds) used by each processor on each code are given below: Find the 95% confidence interval for the difference between the mean speeds.
A) (-3.61, 8.14)
B) (-3.92, 8.45)
C) (-2.98, 7.51)
D) (-3.19, 7.72)

Question

Two microprocessors are compared on a sample of 6 benchmark codes to determine whether there is a difference in speed. The times (in seconds) used by each processor on each code are given below:  Find the 95% confidence interval for the difference between the mean speeds.
A) (-3.61, 8.14) 
B) (-3.92, 8.45) 
C) (-2.98, 7.51) 
D) (-3.19, 7.72)

Quizplus · Accepted Answer

The Answer of Two microprocessors are compared on a sample of 6 benchmark codes to determine whether there is a difference in speed. The times (in seconds) used by each processor on each code are given below:  Find the 95% confidence interval for the difference between the mean speeds.
A) (-3.61, 8.14) 
B) (-3.92, 8.45) 
C) (-2.98, 7.51) 
D) (-3.19, 7.72)

Two Microprocessors Are Compared on a Sample of 6 Benchmark