The daily electricity consumption (in kWh) of 70 households was recorded. The incomplete cumulative frequency table is given below.
Class (kWh) ‘Less than’ CF ‘More than’ CF
0–50 8 —
50–100 — 62
100–150 45 38
150–200 63 20
200–250 70 —
Using the information above, determine the number of households whose consumption lies in the class 50–100 kWh.
(a) 32
(b) 38
(c) 24
(d) 22