1. Reading Graphs Pie/Bar/Histogram/Stacked Bar

2. Total Population3736.6 North Island2829.8 South Island906.8 Urban Areas Auckland1074.5 Wellington339.7 Christchurch316.2 Hamilton114.9 Dunedin114.3 1. What is this pie graph showing you? 2. What percent of the urban population is in Auckland? 3. What percent of New Zealand's population lived in the five main urban areas at March 6, 2001 Urban population only 55% (total urban / total population) x 100 = 52.44%

3. 1.What is the most common number of milk bottles per household? 2.How many houses ordered 2 milk bottles? 3.How many houses ordered 1 milk bottle? 4.What is the total ordered milk bottles? 5.Average number of milk bottles 0 9 Sum of( number of milk bottles x number of households) = 54 11 #4 /sum of number of households = 1.26

4. 1. What is the most common odometer readings 2. How many cars have odometer readings between 30,000 and 60,000? 3. What is the average odometer reading? 40,000- 40 Sum of (midpoint x number of cars) / Number of cars = 44,111.11

5. **The above data is out of 200 people sampled 1. Most common form of heating in 1950? 2. Most common form of heating today? 3. How many homes used open wood or coal in 1950? 4. What percent of homes use solar today? 5. Could I use another graph? Pie/bar/line/box and whiskers gas electricity 75 3 no

6. 1. In which country do motorists pay the most tax on a litre of petrol? 2. In which country do motorists pay the most for petrol excluding tax? 3. How much tax per litre do motorists in Spain pay? 4. The range of other charges is __________ but the range of tax is _________? Finland Ireland (72 – 22) = $ 0.50 90-30 = 60 us cents per litre 25-17 = 8 us cents per litre