Grade E


try a random GCSE question...

Two friends keep a record of their scores at ten-pin bowling.

a) These are John's scores for 6 games:

130, 104, 155, 160, 135, 108

i)  Work out the mean of John's scores.

ii) Work out the range of John's scores.

a) John's friend Steve has a mean of 140 and a range of 40.
    Who is the better player?

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