The age distribution of workers in a factor is as follows: Marks 16-25 26-35 36-45 46-55 56-65 Number of students 12 29 32 17 10 (a) What is the class width? (b) What is the lower boundary of the modal class? (c) Construct a cumulative frequency table and draw (on graph paper) a cumulative frequency graph.
The age distribution of workers in a factor is as follows: Marks 16-25 26-35 36-45 46-55 56-65 Number of students 12 29 32 17 10 (a) What is the class width? (b) What is the lower boundary of the modal class? (c) Construct a cumulative frequency table and draw (on graph paper) a cumulative frequency graph.
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 age distribution of workers in a factor is as follows:
Marks
|
16-25 |
26-35 |
36-45 |
46-55 |
56-65 |
---|---|---|---|---|---|
Number of students |
12 |
29 |
32 |
17 |
10 |
(a) What is the class width?
(b) What is the lower boundary of the modal class?
(c) Construct a cumulative frequency table and draw (on graph paper) a cumulative frequency graph.
(d) Use your cumulative frequency diagram to estimate
(i) the
(ii) the inter-
for the given data.
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