The IQ scores of 30 students are given below.

93	104	116	91	99	94	112	104	85	117
84	86	106	117	88	109	112	99	96	84
88	95	115	101	93	105	101	106	96	85

(a) Construct a grouped frequency distribution for the data. Use 83x<8883x<88 for the first class and use the same width for each subsequent class.

Class	Frequency
83 x
x
x
x
x
x
x

(b) Construct a histogram, by hand, from this data and using the class intervals defined in the table. Then, include that hand-drawn histogram with the rest of the work for the test. Be sure to include scales and labels on your axes. Also label it with the question number.