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 39−44 1 B 45−50 3 C 51−56 7 D 57−62 7 E 63−68 7 F 69−74 3 G 75−80 3 . . . Question content area right Part 1 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 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, 7; B, 7; C, 7; D, 3; E, 3; F, 1; G; 3. A B C D E F G 0 10 B. A chart with horizontal axis labeled with the letters A through G and vertical axis labeled from 0 to 10 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, 3; C, 7; D, 7; E, 7; F, 3; G; 3. A B C D E F G 0 10 C. A chart with horizontal axis labeled with the letters A through G and vertical axis labeled from 0 to 10 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, 3; C, 7; D, 7; E, 7; F, 3; G; 3. A B C D E F G 0 10 D. A chart with horizontal axis labeled with the letters A through G and vertical axis labeled from 0 to 10 in intervals of 5 contains 7 adjacent vertical bars. The heights of the vertical bars over each horizontal axis label are as follows: A, 7; B, 7; C, 7; D, 3; E, 3; F, 1; G; 3. A B C D E F G 0 10 Part 2 Do the data appear to have a distribution that is approximately normal? A. No, it is completely erratic. B. No, it is not at all symmetric. C. Yes, it is approximately normal. D. No, it is approximately uniform.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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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 39−44
1
B 45−50
3
C 51−56
7
D 57−62
7
E 63−68
7
F 69−74
3
G 75−80
3
.
.
.
Question content area right
Part 1
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 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, 7; B, 7; C, 7; D, 3; E, 3; F, 1; G; 3.
A
B
C
D
E
F
G
0
10
B.
A chart with horizontal axis labeled with the letters A through G and vertical axis labeled from 0 to 10 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, 3; C, 7; D, 7; E, 7; F, 3; G; 3.
A
B
C
D
E
F
G
0
10
C.
A chart with horizontal axis labeled with the letters A through G and vertical axis labeled from 0 to 10 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, 3; C, 7; D, 7; E, 7; F, 3; G; 3.
A
B
C
D
E
F
G
0
10
D.
A chart with horizontal axis labeled with the letters A through G and vertical axis labeled from 0 to 10 in intervals of 5 contains 7 adjacent vertical bars. The heights of the vertical bars over each horizontal axis label are as follows: A, 7; B, 7; C, 7; D, 3; E, 3; F, 1; G; 3.
A
B
C
D
E
F
G
0
10
Part 2
Do the data appear to have a distribution that is approximately normal?
A.
No, it is completely erratic.
B.
No, it is not at all symmetric.
C.
Yes, it is approximately normal.
D.
No, it is approximately uniform.