GCSE Statistics Revision 1

Calculate the mean of these values:

3, 10, 6, 7, 3, 4, 5, 2

• 4

• 8

• 5

• 6

What is the range for this set of data?

• 36

• 30

• 32

• 37

What will the Pearson measure of skew be for this distribution?

• +1

• -1

• 0

Between what values will approximately 95% of this distribution lie?

• 15-45 mins

• 20-40 mins

• 25-35 mins

What type of graph/ chart would best represent this data?

• Bar Chart

• Histogram

• Pictogram

• Stem and Leaf

In which class interval is the mode?

• 140 < h < 150

• 150 < h < 160

• 160 < h < 170

• 170 < h < 180

This pie chart show the results of a survey of 120 students. How many said banana?

• 12

• 30

• 24

• 36