Class Limits	Cumulative Frequency
2.2 - 11.7	6
11.8 - 21.3	26
21.4 - 30.9	37
31.0 - 40.5	41
40.6 - 50.1	43
50.2 - 59.7	45
59.8 - 69.3	48
69.4 - 78.9	50

Based on the information, how many colleges were sampled?

Question 15 options:

	100
	20
	50
	296
	78