Answer to Question #291672 in Statistics and Probability for Chiamaka

Question

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.

Answer 1

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.