The shape of this graph is best described as а. Normal b. Uniform C. Left skewed d. Right skewed 10 20 30 40 50 60 70 80 90 100 A set of data is normally distributed with a mean of 50 and a standard deviation of 4.5. Approximately what percent of data would you expect to be between 41 and 59? a. 34% b. 50% C. 68% d. 95% How many students were greater than 55 inches tall but less than 70 inches tall? Frequency a. 13 b. 15 C. 16 d. 17 50 55 Height (inches) 60 65 70 75 80

The shape of this graph is best described as а. Normal b. Uniform C. Left skewed d. Right skewed 10 20 30 40 50 60 70 80 90 100 A set of data is normally distributed with a mean of 50 and a standard deviation of 4.5. Approximately what percent of data would you expect to be between 41 and 59? a. 34% b. 50% C. 68% d. 95% How many students were greater than 55 inches tall but less than 70 inches tall? Frequency a. 13 b. 15 C. 16 d. 17 50 55 Height (inches) 60 65 70 75 80

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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1. The shape of this graph is best described as
а.
Normal
b. Uniform
С.
Left skewed
d. Right skewed
10 20 30 40 50 60 70 80 90 100
2. A set of data is normally distributed with a mean of 50 and a standard deviation of 4.5. Approximately what
percent of data would you expect to be between 41 and 59?
а.
34%
b. 50%
С.
68%
d. 95%
3. How many students were greater than 55 inches tall but less than 70 inches tall?
Frequency
а.
13
b. 15
5
С.
16
d. 17
1
60 65 70 75 80
Height
(inches)
50
55
The histogram shows the heights of 21 students in a class, grouped into groups of width 5 inches.

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