The frequency distribution below represents frequencies of actual low temperatur
ID: 3272756 • Letter: T
Question
The frequency distribution below represents frequencies of actual low temperatures recorded during the course of a 31-day month. Use the frequency distribution to construct a histogram. Do the data appear to have a distribution that is approximately normal?
Class
Frequency
A
39 minus 443944
B
45 minus 504550
C
51 minus 565156
D
57 minus 625762
E
63 minus 686368
F
69 minus 746974
G
75 minus 807580
11
22
88
1111
55
22
22
Choose the correct histogram below.
A.
A chart with horizontal axis labeled with the letters A through G and vertical axis labeled from 0 to 10 plus in intervals of 5 contains 7 vertical bars that have gaps between them. The heights of the vertical bars over each horizontal axis label are as follows: A, 1; B, 2; C, 8; D, 11; E, 5; F, 2; G; 2.ABCDEFG010
B.
A chart with horizontal axis labeled with the letters A through G and vertical axis labeled from 0 to 10 plus in intervals of 5 contains 7 vertical bars that have gaps between them. The heights of the vertical bars over each horizontal axis label are as follows: A, 11; B, 8; C, 5; D, 2; E, 2; F, 1; G; 2.ABCDEFG010
C.
A chart with horizontal axis labeled with the letters A through G and vertical axis labeled from 0 to 10 plus in intervals of 5 contains 7 adjacent vertical bars. The heights of the vertical bars over each horizontal axis label are as follows: A, 11; B, 8; C, 5; D, 2; E, 2; F, 1; G; 2.ABCDEFG010
D.
A chart with horizontal axis labeled with the letters A through G and vertical axis labeled from 0 to 10 plus in intervals of 5 contains 7 adjacent vertical bars. The heights of the vertical bars over each horizontal axis label are as follows: A, 1; B, 2; C, 8; D, 11; E, 5; F, 2; G; 2.ABCDEFG010
Do the data appear to have a distribution that is approximately normal?
A.
Yes, it is approximately normal.
B.
No, it is approximately uniform.
C.
No, it is completely erratic.
Class
Frequency
A
39 minus 443944
B
45 minus 504550
C
51 minus 565156
D
57 minus 625762
E
63 minus 686368
F
69 minus 746974
G
75 minus 807580
11
22
88
1111
55
22
22
Explanation / Answer
1) Answer: Option (D)
A chart with horizontal axis labeled with the letters A through G and vertical axis labeled from 0 to 10 plus in intervals of 5 contains 7 adjacent vertical bars. The heights of the vertical bars over each horizontal axis label are as follows: A, 1; B, 2; C, 8; D, 11; E, 5; F, 2; G; 2.ABCDEFG010
2) Answer: Option (A)
Yes, it is approximately normal.
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