The runs scored by two batsmen in 15 cricket matches last season were:

Batsman P: 53, 41, 57, 38, 41, 37, 59, 48, 52, 39, 47, 36, 37, 44, 59.

Batsman Q: 56, 48, 31, 64, 21, 52, 45, 36, 57, 68, 77, 20, 42, 51, 71.

a. Show the data in a diagram that allows easy comparison of the two performances.

b. Giving a reason for your answer, decide which of the batsmen performed: 

i. Better 

ii. More consistently.