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Averages from Frequency Tables

Averages from Frequency Tables

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Question 47

Callum is measuring the heights in cm of his tomato plants.

Height (cm)Frequency
145<h≤155145 < h \leq 155145<h≤1558
155<h≤165155 < h \leq 165155<h≤16512
165<h≤175165 < h \leq 175165<h≤17516
175<h≤185175 < h \leq 185175<h≤18514
185<h≤205185 < h \leq 205185<h≤20510
a.

Estimate the mean height.
Give your answer correct to 1 decimal place.

[3]
b.

Explain why your answer to part (a) is an estimate.

[1]
Markscheme

Averages from Frequency Tables Questions

  1. GCSE
  2. /Maths
  3. /Averages from Frequency Tables

111 exam-style questions on AQA GCSE Maths Averages from Frequency Tables. Each one has a worked solution and a mark scheme showing where the marks go.

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