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Averages from Frequency Tables

Averages from Frequency Tables

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Question 26

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

Height (cm)Frequency
120<h≤130120 < h \leq 130120<h≤1309
130<h≤140130 < h \leq 140130<h≤14013
140<h≤150140 < h \leq 150140<h≤15017
150<h≤160150 < h \leq 160150<h≤16012
160<h≤180160 < h \leq 180160<h≤1809
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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