The monthly salaries of a sample of 500 employees were rounded to the nearest R10 rand notes. They ranged from a low of R2999 to a high of R4250. If we want to condense the data into ten class intervals, what is the most convenient class width (rounded off to zero decimals)?

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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The monthly salaries of a sample of 500 employees were rounded to the nearest R10 rand
notes. They ranged from a low of R2999 to a high of R4250. If we want to condense the data
into ten class intervals, what is the most convenient class width (rounded off to zero
decimals)?
ⒸA. 50
B. 10
C. 125
D. 90
Transcribed Image Text:The monthly salaries of a sample of 500 employees were rounded to the nearest R10 rand notes. They ranged from a low of R2999 to a high of R4250. If we want to condense the data into ten class intervals, what is the most convenient class width (rounded off to zero decimals)? ⒸA. 50 B. 10 C. 125 D. 90
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