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The salary distribution ('000) of 1000 employees at a certain company is as follows: Salary (years) frequency 25-39 20 40-49 32 50-59 30 60-64 10 65-69 8 a, Construct the bar-chart of the data b, Construct the histogram of the data.
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Salary frequency
25-39 20
40-49 32
50-59 30
60-64 10
65-69 8
The bar chart for this frequency table is presented below.
Salary class boundary frequency
25-39 24.5-39.5 20
40-49 39.5-49.5 32
50-59 49.5-59.5 30
60-64 59.5-64.5 10
65-69 64.5-69.5 8
The histogram for this frequency table is given below.