Introduction to the data handling cycle and collection and representation of data in a human pie chart and a variety of practical ways that involve the whole calss.
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Which is the month with no birthdays?
Which months have four birthdays?
How many children are in the class?
Make a birthday bar chart for your class by writing your name or initials in one […]
(1) Explain how the percentage 69.03% of saltwater that makes up the Earth’s surface is calculated from these figures.
(2) How would you use this percentage to find the angle for saltwater for drawing a pie chart?
A pie […]
The data shows how many goals the teams scored in their matches.
There are six sets of data, three showing the results for Alpha United and three for Beta Rovers.
Match the data to the teams and explain your answers.
See the […]
Complete the table and draw a histogram to represent this data.
Calculate the mean of this distribution. What can you say about the other measures of central tendency (the median and the mode)?
According to news reports in 2013 Johanna Mazibuko was 119 years […]
The histogram shows the number of children in each age group on a school bus. There are no children under 5 years and no children over 17 years. There are 6 children aged between 5 and 10 years . Explain why the class boundaries are 5, 11, 16 and 18. Complete the following table. […]
What fraction of the ice creams sold were strawberry? If she sold 60 strawberry ice creams how many ice creams were sold altogether.
The number of vanilla ice creams and the number of chocolate ice creams sold were the same.