For each given standard deviation, enter the letter of the corresponding data set.
= 0
= 0.7071
= 2.278
= 11.18
= 26.926
Circles A, B, C, D, and E each contain 4 numbers. Circle A contains 20, 20, 20, 20. Circle B contains 10, 20, 30, 40. Circle C contains 18, 19, 19, 20. Circle D contains 18, 19, 20, 24. Circle E contains 10, 20, 30, 80.