Find the mode.

$\begin{matrix} C l a s s i n t e r v a l & F r e q u e n c y 100 - 110 & 8 110 - 120 & 9 120 - 130 & 11 130 - 140 & 12 140 - 150 & 10 \end{matrix}$ [2 MARKS]

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Solution

Concept: 1 Mark
Application: 1 Mark

Modal Class is 130-140

Mode
$= I + (\frac{f_{1} - f_{0}}{2 f_{1} - f_{0} - f_{2}}) \times h$

$= 130 + \frac{12 - 11}{24 - 11 - 10} \times 10$

$= 133.33$

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Find the mode. Class intervalFrequency100−1108110−1209120−13011130−14012140−15010 [2 MARKS]

Concept: 1 Mark Application: 1 Mark Modal Class is 130-140 Mode =I+(f1−f02f1−f0−f2)×h =130+12−1124−11−10×10 =133.33

Find the mode.

$\begin{matrix} C l a s s i n t e r v a l & F r e q u e n c y 100 - 110 & 8 110 - 120 & 9 120 - 130 & 11 130 - 140 & 12 140 - 150 & 10 \end{matrix}$ [2 MARKS]

Concept: 1 Mark
Application: 1 Mark

Modal Class is 130-140

Mode
$= I + (\frac{f_{1} - f_{0}}{2 f_{1} - f_{0} - f_{2}}) \times h$

$= 130 + \frac{12 - 11}{24 - 11 - 10} \times 10$

$= 133.33$