The IQ scores of 50 students are given below.

105	117	87	100	104	89	87	109	95	114
88	107	86	92	88	95	90	113	91	116
115	86	85	89	88	86	93	99	104	117
87	105	95	109	100	98	113	101	104	96
94	91	101	111	118	107	116	115	87	115

(a) Construct a grouped frequency distribution for the data. Use85-89 for the first class and use the same width for eachsubsequent class.

Class	Frequency
85 - 89
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(b) Which of the following is the correct histogram for thisdata?

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Transcribed Image Text:

E Frequency Frequency 0 85 90 55 14 12 10 8 5 2 18 16 14 12 10 8 95 100 105 110 115 120 IQ Score 85 e 105 10 Score 115 W 125 for this data Frequency Frequency 75 12 10 8 6 4 2 84.5 89.5 94.5 99.5 104.5109.5114.5119.5 IQ Score 25 20 15 10 5 85 95 105 IO Score a E Frequency Frequency 0 85 90 55 14 12 10 8 5 2 18 16 14 12 10 8 95 100 105 110 115 120 IQ Score 85 e 105 10 Score 115 W 125 for this data Frequency Frequency 75 12 10 8 6 4 2 84.5 89.5 94.5 99.5 104.5109.5114.5119.5 IQ Score 25 20 15 10 5 85 95 105 IO Score a