adm2303: Retail Sales. An online retailer is interested in representing some of its annual sales data in histograms (perhaps after transforming the...

adm2303: Retail Sales. An online retailer is interested in representing some of its annual sales data in histograms (perhaps after transforming the data). If the following data (for different types of products) can be represented as a histogram, draw the histogram. If not, say why not.

a) Product group A. 20% of the customers account for 75% of the sales. 20% of the customers account for 10% of the sales. 30% of the customers account for 10% of the sales. 30% of the customers account for 5% of the sales.

b) Product group B. 45% of the customers spend < $1000. 15% of the customers spend ≥ $1000 and < $2000. 10% of the customers spend ≥ $2000 and < $3000. 30% of the customers spend ≥

$3000

c) Product group C. 25% of the customers spend ≥ $10 and < $100. 45% of the customers spend

≥ $100 and < $1000. 30% of the customers spend ≥ $1000 and < $10000.