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The number of hours worked (per week) by 400 statistics students are shown below in Table 1. Number of Hours Frequency 0 - 9 20 10 - 19 80 20 - 29 200 30 - 39 100     Refer to Table 1. '   1. The class width for this distribution Group of answer choices is 39, which is: the largest value minus the smallest value or 39 - 0 = 39. is 10. is 9. varies from class to class.   2.The number of students working 19 hours or less Group of answer choices is 180. is 300. is 100. is 80.   3.The relative frequency of students working 9 hours or less Group of answer choices is 0.95. is 100. is 20. is 0.05.

The number of hours worked (per week) by 400 statistics students are shown below in Table 1. Number of Hours Frequency 0 - 9 20 10 - 19 80 20 - 29 200 30 - 39 100     Refer to Table 1. '   1. The class width for this distribution Group of answer choices is 39, which is: the largest value minus the smallest value or 39 - 0 = 39. is 10. is 9. varies from class to class.   2.The number of students working 19 hours or less Group of answer choices is 180. is 300. is 100. is 80.   3.The relative frequency of students working 9 hours or less Group of answer choices is 0.95. is 100. is 20. is 0.05.

MATLAB: An Introduction with Applications
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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The number of hours worked (per week) by 400 statistics students are shown below in Table 1.

Number of Hours

Frequency

0 - 9

20

10 - 19

80

20 - 29

200

30 - 39

100

 

 

Refer to Table 1. '
 
1. The class width for this distribution
Group of answer choices
is 39, which is: the largest value minus the smallest value or 39 - 0 = 39.
is 10.
is 9.
varies from class to class.
 
2.The number of students working 19 hours or less
Group of answer choices
is 180.
is 300.
is 100.
is 80.
 
3.The relative frequency of students working 9 hours or less
Group of answer choices
is 0.95.
is 100.
is 20.
is 0.05.
 
 
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