Q1: The following weights were bench-pressed by a group of Grade 8 students: 32 kg, 41 kg, 15 kg, 22 kg, and 15 kg.
(i) Find the mean.
(ii) Find the mode.
(iii) Find the median.
(iv) What would be an appropriate graph to use to show this information?
Q2: Is the height of a child, measured every month for the course of three years, continuous or discrete data?
Q3: A survey asked the question, “Do you prefer eating fresh food at Jimmy’s Restaurant or eating stale food at home?” Is this a fair survey question?
Q4: Use the following graphs to answer questions:
(i) Why would a dot graph better show money earned at a lemonade stand every day than a line graph?
(ii) Which type of graph would best show height comparisons between boys and girls among different grades?
(iii) Which graph would best show percentage of daily time used for different activities?
(iv) Which graph would best show the distance someone travelled over the course of a day?
You can access the solutions to this worksheet here.
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