Mathematics 4024 · O Level · Averages and measures of spread

Averages and measures of spread — practice question

A set of five numbers has a mean of 3.8 and a median of 3. The numbers 3 and 6 are added to the set.
(a)[2]

Determine the mean of the seven numbers.

(b)[1]

Determine the median of the seven numbers.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Correct calculation $3.8 \times 5$” …

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI