Question

The IQ scores of 50 students are given below.

117	85	108	86	104	110	90	116	101	113
116	111	108	112	97	115	86	110	119	87
95	99	116	98	110	115	99	114	100	88
92	106	96	103	108	85	94	96	113	98
108	88	95	96	115	106	93	92	115	101

(a) Construct a grouped frequency distribution for the data. Use 85-89 for the first class and use the same width for each subsequent class.

Class	Frequency
85   -   89
-
-
-
-
-
-

Answer 1

Building a frequency table