I am attaching two pictures so you can see all the gathered data. I tried answer b for the question I need help with in the second picture and it is not that one.

E Homework: Ch 11 HW: Two Sample Procedure Question 5, 11.2.7-T HW Score: 58.35%, 9.92 of 17 points Say Part 8 of 9 Points: 0.86 of 1 The following data represent the muzzle velocity (in feet per second) of rounds fired from a 155-mm gun. For each round, two measurements of the velocity were recorded using two different measuring devices, resulting in the following data. Complete parts (a) through (d) below. Observation 1 2 3 4 5 A 793.1 790.4 794.7 793.7 794.4 793.7 B 802.7 790.3 797.4 792.5 801.0 791.1 (a) Why are these matched-pairs data? O A. The same round was fired in every trial. B. All the measurements came from rounds fired from the same gun. c. Two measurements (A and B) are taken on the same round. O D. The measurements (A and B) are taken by the same instrument. (b) Is there a difference in the measurement of the muzzle velocity between device A and device B at the