Averages, Ranges & Data (Edexcel IGCSE Maths A: Foundation): Exam Questions

Ian plays 7 games of cricket.
His mean score per game for these 7 games is 42 runs.

Ian is going to play one more game of cricket.
He wants his mean score per game for the 8 games to be exactly 50 runs.

How many runs must he score in his 8th game?

Pam plays netball for her school team.

Here are the numbers of goals she scored in the last 8 games.
The numbers of goals are written in order of size.

1 1 2 2 3 6 14

Find the range of the number of goals Pam scored.

Find the median number of goals Pam scored

The mean number of goals Pam scored in the 8 games is 5

Work out the value of

The table gives information about the number of minutes that Abby spent walking each day in September.

Work out an estimate for the total number of minutes that Abby spent walking in September.

Team A and Team B take part in a quiz league.

After 11 rounds, Team A has a mean score per round of 17
After 9 rounds, Team B has a mean score per round of 18

Both teams take part in a further round.
After this round, both teams have a mean score per round of 18.5

In the further round, Team A scored more points than Team B.

How many more?

The table gives information about the number of rewards gained by each of 50 students last term.

Write down the mode of the number of rewards.

Work out the mean number of rewards.

One of these students is chosen at random.

Find the probability that this student gained more than 2 rewards

The table shows information about the lengths, in minutes, of 50 telephone calls.

Write down the modal class.

Work out an estimate for the total length, in minutes, of these telephone calls.

The mean number of goals scored by a hockey team in 8 matches is 6
The team plays 2 more matches and scores goals in each match.
The mean number of goals scored by the hockey team in the 10 matches is 7

Work out the value of