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CCEA GCSE Mathematics Statistics overview quiz quiz

16questions. Pick an answer and you'll see why right away.

  1. Which type of data is a person's height?

  2. Why is a random sample used?

  3. In a pie chart for 60 people, 15 chose football. What angle represents football?

  4. Find the mean of 4,8,6,24, 8, 6, 2.

  5. Find the median of 9,3,7,1,59, 3, 7, 1, 5.

  6. Find the range of 12,5,8,20,312, 5, 8, 20, 3.

  7. Which average is least affected by an outlier?

  8. To estimate the mean of grouped data, you use each class's:

  9. On a cumulative frequency curve for 100 values, the median is read at:

  10. The interquartile range is:

  11. A box plot shows minimum, lower quartile, median, upper quartile and:

  12. Two data sets have the same median, but set A has a smaller IQR. Set A is:

  13. Points on a scatter graph fall from top left to bottom right. This shows:

  14. Using a line of best fit to predict well beyond the data range is called:

  15. A strong correlation between two variables proves that:

  16. In a histogram with unequal class widths, the frequency is shown by each bar's: