Tables and Graphs

The St. Louis Science Museum has building on both sides of Interstate 64/Highway 40. A walkway across the highway connects the two parts of the museum. As one of the exhibits, radar devices are placed in the walkways so that visitors can clock the speeds of motorists on the highway below. Following are the recorded speeds of motorists on a Wednesday afternoon (4:00 - 4:10).

83	77	75	74	72	72	69	68	68	68
68	62	62	62	62	62	61	61	61	61
61	61	60	58	58	58	58	58	57	57
57	57	56	55	54	54	54	54	54	53
52	52	52	52	52	47	47	43	40	40

For the data above, construct a freguency table, histogram, frequency polygon, and an ogive.

Answer

Forty psychology students were asked how many hours they had studied during the past weekend. Their responses are provided below.

11	2	0	13	5	7	1	8	12	11
7	8	9	10	7	4	6	10	4	7
8	6	7	10	7	3	11	18	2	9
7	3	8	7	3	13	9	8	7	7

For the data above, construct a freguency table, histogram, frequency polygon, and an ogive.

Answer

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83	77	75	74	72	72	69	68	68	68
68	62	62	62	62	62	61	61	61	61
61	61	60	58	58	58	58	58	57	57
57	57	56	55	54	54	54	54	54	53
52	52	52	52	52	47	47	43	40	40

83	77	75	74	72	72	69	68	68	68
68	62	62	62	62	62	61	61	61	61
61	61	60	58	58	58	58	58	57	57
57	57	56	55	54	54	54	54	54	53
52	52	52	52	52	47	47	43	40	40

83	77	75	74	72	72	69	68	68	68
68	62	62	62	62	62	61	61	61	61
61	61	60	58	58	58	58	58	57	57
57	57	56	55	54	54	54	54	54	53
52	52	52	52	52	47	47	43	40	40