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Interpreting column graphs
* Column graphs created from frequency tables can show us many things.
* 'Reading a graph' involves looking at its values and its shape to
interpret its meaning.
* Look at the title.
* Look at the labels and values on the axes.
* Be careful if things are not clear or simple.
* Let us review again the family data from Heather and her friends.
NUMBER OF PEOPLE
total = 20
total = 78
Do you agree with the following statements?
Q1. There are no one-person families.
Q2. The smallest family size is 3.
Q3. The largest family is six persons.
Q4. The most common family size is 4.
Q5. A quarter of the families have more than 4 people.
Q6. There are 7 families with less than 4 people.
Q7. There are 16 families with less than 5 people.
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