Respuesta :

Answer:

  • B. 3

Step-by-step explanation:

The lowest value is 21 and the highest is 34.

The difference is:

  • 34 - 21 = 13

Divide this by the number of intervals and round up:

  • 13/5 = 2.6 ≈ 3

The length of each interval is 3.

Correct choice is B