The IQ scores of 50 students are given below.

111	115	91	91	90	90	87	112	116	111
116	111	104	102	96	119	86	89	106	85
110	98	100	111	97	96	114	116	98	106
96	112	89	96	87	88	96	103	97	104
113	89	114	94	101	87	113	108	114	115

(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
-
-
-
-
-
-