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Introduction to Statistics

Find the medi...

Question

Find the median of the data set: 10, 15, 18, 20, 23, 26, 29, 30, 31.

A

18

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B

20

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C

26

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D

23

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Solution

The correct option is D 23
23

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Similar questions

Q. Taking 4 as the magnitude of the class intervals, form a grouped frequency distribution using the following data by inclusive method.

31, 23, 19, 29, 22, 20, 16, 10, 13, 34
38, 33, 28, 21, 15, 18, 36, 24, 18, 15
12, 30, 27, 23, 20, 17, 14, 32, 26, 25
18, 29, 24, 19, 16, 11, 22, 15, 17, 10

Q. Find the median for the following data.

Marks	$11 - 15$	$16 - 20$	$21 - 25$	$26 - 30$	$31 - 35$	$36 - 40$
Frequency	$7$	$10$	$13$	$26$	$9$	$5$

Q. The marks of

15

students in an examination are:

25, 19, 17, 24, 23, 29, 31, 40, 19, 20, 22, 26, 17, 35, 21

. Find the median score.

Q. Calculate the median for the following data

Class interval	$1 - 5$	$6 - 10$	$11 - 15$	$16 - 20$	$21 - 25$	$26 - 30$	$31 - 35$
Frequency	$1$	$18$	$25$	$26$	$7$	$2$	$1$

Q. Find the mean of the following data:

$x$	$19$	$21$	$23$	$25$	$27$	$29$	$31$
$f$	$13$	$15$	$16$	$18$	$16$	$15$	$13$

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