Wages Number of employees 250.00 - 259.99 8 260.00 - 269.99 10 270.00 - 279.99 16 280.00 - 289.99 14 290.00 - 299.99 10 300.00 - 309.99 5 310.00 - 319.99 2 Total 65 With reference to this table, determine: The lower limit of the sixth class. The upper limit of the fourth class. The class mark (or class midpoint) of the third class.
Wages Number of employees 250.00 - 259.99 8 260.00 - 269.99 10 270.00 - 279.99 16 280.00 - 289.99 14 290.00 - 299.99 10 300.00 - 309.99 5 310.00 - 319.99 2 Total 65 With reference to this table, determine: The lower limit of the sixth class. The upper limit of the fourth class. The class mark (or class midpoint) of the third class.
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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shows a frequency distribution of the weekly wages of 65 employees at the P&R Company.
Table1 |
|
Wages |
Number of employees |
|
|
250.00 - 259.99 |
8 |
260.00 - 269.99 |
10 |
270.00 - 279.99 |
16 |
280.00 - 289.99 |
14 |
290.00 - 299.99 |
10 |
300.00 - 309.99 |
5 |
310.00 - 319.99 |
2 |
Total |
65 |
With reference to this table, determine:
- The lower limit of the sixth class.
- The upper limit of the fourth class.
- The class mark (or class midpoint) of the third class.
- The class boundaries of the fifth class.
- The size of the fifth-class interval.
- The frequency of the third class.
- The relative frequency of the third class.
- The class interval having the largest frequency. This is sometimes called the modal class interval; its frequency is then called the modal class frequency.
- The percentage employees earning less than $280.00 per week.
- The percentage employees earning less than $300.00 per week but at least $260.00 per week.
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