CAIE IGCSE Mathematics Extended E9.7.1 Draw and Interpret Histograms Questions

Practise Extended CAIE IGCSE Mathematics by constructing histograms, using frequency density and interpreting bar widths, areas and scales.

Exam points

Draw and interpret histograms with unequal class widths using the frequency-density scale.
Calculate or infer frequency density as frequency divided by class width.
Use class widths, bar areas, scales and units accurately when constructing and reading histograms.

[Maximum number: 3]

A student measures the height, $h \mathrm{~cm}$ , of each of 400 plants.

The heights are also shown in the frequency table.

Table for Question CAIE IGCSE Mathematics Extended E9.7.1 Draw and Interpret Histograms Questions question 1 — CAIE IGCSE Mathematics Extended

Complete the histogram to show this information.

Figure for Question CAIE IGCSE Mathematics Extended E9.7.1 Draw and Interpret Histograms Questions question 1 — CAIE IGCSE Mathematics Extended

Correct histogram, correct widths and heights $8\text{ cm},12.4\text{ cm},1.9\text{ cm}$ .

B1 for each column.
If 0 scored, SC1 for frequency densities 8, 12.4, 1.9 seen.

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CAIE IGCSE Mathematics Extended E9.7.1 Draw and Interpret Histograms Questions question 1