Question

Class Interval	f	Relative f	Cumlative f	Cumulative %
95–99	2	0.02	100	100.00
90–94	9	0.09	98	98.00
85–89	13	0.13	89	89.00
80–84	27	0.27	76	76.00
75–79	22	0.22	49	49.00
70–74	13	0.13	27	27.00
65–69	10	0.10	14	14.00
60–64	2	0.02	4	4.00
55-59	2	0.02	2	2.00
N =	100

Using the grouped frequency distribution above, calculate the percentile point for P₇₀.

Selected Answer:

82.1923

Response Feedback:

The answer is between 82 and 84.

My answer was 82.19, it was incorrect and told me the answer is between 82 and 84

Answer 1