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Averages from Frequency Tables

Averages from Frequency Tables

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Question 51

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

Height (cm)Frequency
150<h≤160150 < h \leq 160150<h≤1609
160<h≤170160 < h \leq 170160<h≤1708
170<h≤180170 < h \leq 180170<h≤18013
180<h≤190180 < h \leq 190180<h≤19020
190<h≤210190 < h \leq 210190<h≤21010
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 OCR 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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