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Exam-style practice

Interpreting statistical data answer explanations

Review worked answers and explanations for Interpreting statistical data. Aligned to Cambridge IGCSE Mathematics.

Answer explanations

Question 1 of 2

Review the answer support, then move sideways through the set.

Paper 2 structured question: Interpreting statistical data

Paper 2Core or Extended Mathematics4 marks

Data Table

Weekly Product Sales

The table shows the number of products sold each day.

DayNumber of Products Sold
Monday120
Tuesday150
Wednesday130
Thursday160
Friday140
  1. a

    Calculate the mean number of products sold per day.

    [2]
  2. b

    Determine the range of products sold during the week.

    [2]