Exam-Style Question on Statistics
A mathematics exam-style question with a worked solution that can be revealed gradually
Question id: 112. This question is similar to one that appeared on a IGCSE Extended paper in 2014. The use of a calculator is allowed.
155 people were asked how much money they would pay for particular three-course meal in a special restaurant.
The histogram shows the results of the survey.
(a) Complete the frequency table for information shown in the histogram.
|Amount (£\(x\))||\(0\lt x \le 10\)|
(b) Use your frequency table to calculate an estimate of the mean amount these people would pay for the meal.
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