Exhibit 3-1The following data show the number of hours worked by ...

[mustachegiraffe]

Question 1

Exhibit 3-1
The following data show the number of hours worked by 200 statistics students.

 

Number of Hours	Frequency
0 - 9	40
10 - 19	50
20 - 29	70
30 - 39	40

Refer to Exhibit 3-1. The class width for this distribution

◦

is 9

◦

is 10

◦

is 11

◦

varies from class to class

Question 2

Exhibit 3-1
The following data show the number of hours worked by 200 statistics students.

 

Number of Hours	Frequency
0 - 9	40
10 - 19	50
20 - 29	70
30 - 39	40

Refer to Exhibit 3-1. The number of students working 19 hours or less

◦

is 40

◦

is 50

◦

is 90

◦

cannot be determined without the original data

[msgero]

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[mustachegiraffe]

Thanks for the timely response, appreciate it

[yeungji]

TYSM