Question

statistics

o ln order to udy how long it generally takes customers to make their payment afer billing, the manager of an import and export company drew a random sample of 500 invoices. A frequency distribution showing the time (in days) from invoice data to receipt of payment was then constructed as below: Number of Invoices Number of Days 0 and under 10 10 and under 20 20 and under 30 30 and under 40 40 and under 50 50 and under 60 32 63 87 125 105 Calculate the following measures: G) Mean (i) Mode (ii) Median (iv) Coefficient of variation [2 marks) [2 marks) (2 marks] 4 marks]

Answer 1