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Calculate the value of $n$.
Mathematics 0580 · IGCSE · Averages and measures of spread
Averages and measures of spread — practice question
The table presents information about the marks obtained by a group of students in a test. Test marks: 4, 5, 8. Frequencies: 2, 4, $n$. The mean mark equals 6.
Worked solution & mark scheme
This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Applies a correct full method that reaches 8 + 20 + 8n = 6(2 + 4 + n) or an equivalent form” …
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