Frequency Polygons Worksheet B The worksheet is in

Frequency Polygons – Worksheet B The worksheet is in 2 sizes.

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Snack Stores 3 food shops in a shopping centre record their sales over a Saturday. Complete the tables to find estimates for their total profits. Pete’s Pizza ‘n’ Slices Profit p, (£) Sales 30 Plot the information as three frequency polygons on the grid. What comments can you make about the data distributions? 34 28 Which shop was most profitable? Calculate the mean profit for each shop. 16 Lucy’s Luxury Cakes Profit p, (£) Sales 21 Derek’s Doughnuts Profit p, (£) Sales 54 24 56 34 51 39 60 50 Sales 40 30 20 0 1 2 3 4 Profit (£) 5 6 7 8

Snack Stores 3 food shops in a shopping centre record their sales over a Saturday. Complete the tables to find estimates for their total profits. Mean = £ 384 ÷ 108 = £ 3. 56 Pete’s Pizza ‘n’ Slices Profit p, (£) Sales 30 1 Plot the information as three frequency polygons on the grid. 30 34 3 102 28 5 140 5 34 7 238 Mean = £ 42179÷ 79 = £ 5. 33 421 56 1. 5 84 51 2. 5 127. 5 39 3. 5 136. 5 Mean = £ 375 200 ÷ 200 = £ 1. 88 375 60 Widest range of profit-values. More profit than Derek’s Doughnuts. Customer’s prefer cheaper products. What comments can you make about the data distributions? Which shop was most profitable? 112 Calculate the mean profit for each shop. 384 Derek’s Doughnuts Profit p, (£) Sales 63 54 0. 5 27 120 16 7 Lucy’s Luxury Cakes 108 Profit p, (£) Sales 21 3 24 Pete’s Pizza ‘n’ Slices Lucy’s Luxury Cakes Lowest sales. Highest profit. Highest mean profit. Customers prefer more-expensive products. Derek’s Doughnuts Lowest range of profit-values. Highest sales. Lowest profit. Lowest mean profit. Customer’s prefer cheaper products. 50 Sales 40 30 All the businesses are profitable! Derek has a high demand therefore could increase his prices. Despite a low mean profit, Derek is competitive. Lucy might be able to increase prices even further. 20 0 1 2 3 4 Profit (£) 5 6 7 8

Snack Stores 3 food shops in a shopping centre record their sales over a Saturday. Complete the tables to find estimates for their total profits. Pete’s Pizza ‘n’ Slices Profit p, (£) Sales 30 Snack Stores 3 food shops in a shopping centre record their sales over a Saturday. Complete the tables to find estimates for their total profits. Plot the information as three frequency polygons on the grid. Pete’s Pizza ‘n’ Slices Profit p, (£) Sales 30 What comments can you make about the data distributions? 34 28 Which shop was most profitable? Calculate the mean profit for each shop. 16 Lucy’s Luxury Cakes Profit p, (£) Sales 21 Derek’s Doughnuts Profit p, (£) Sales 54 24 56 34 Plot the information as three frequency polygons on the grid. 56 34 51 51 39 60 50 40 40 Sales 50 30 30 20 20 0 1 2 3 4 Profit (£) 5 6 7 8

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