Find the average of 10- 20- 30- 40- 50-30204050

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Standard VIII

Mathematics

Mean for an Ungrouped Data

Find the aver...

Question

Find the average of 10, 20, 30, 40, 50.

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Find the mean of the following data, using direct method:
$\begin{matrix} Class & 0 - 10 & 10 - 20 & 20 - 30 & 30 - 40 & 40 - 50 & 50 - 60 Frequency & 7 & 5 & 6 & 12 & 8 & 2 \end{matrix}$

Q. 11.Find the mean deviation about median for the following data:MarksNumber ofGirls0-10 10-20 20-30 30-40 40-50 50-6014164

Find the mode of the following frequency distribution:
$\begin{matrix} Marks & 10 - 20 & 20 - 30 & 30 - 40 & 40 - 50 & 50 - 60 Frequency & 12 & 35 & 45 & 25 & 13 \end{matrix}$

Find the mode of the given data:

Marks	$0 - 10$	$10 - 20$	$20 - 30$	$30 - 40$	$40 - 50$
Frequency	$20$	$24$	$40$	$36$	$20$

Find: $(- 10) - (- 20) - (- 30) - (- 40) - 50$

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