Question

Find the median of the following data. 8, 5, 8, 5, 3, 4, 7, 9, 7, 4, 3, 5, 3, 6, 4​

Answer 1

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Find the mean , median, mode and range of the following sets of data

2,3,4,3,5,5,6,7,8,9,6,6,5,3

13,7,8,8,2,9,11,7,8,4,5

45,48,60,42,53,47,51,54,49,48,47,53,48,44,46

Medium

Solution

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a) Mean=

Total no. of observations

sum of the number

⇒ Mean=

40

2+3+4+3+5+5+6+7+8+9+6+6+5+3+13+7+8+8+2+9+11+7+8+4+5+45+48+60+42+53+47+51+54+49+48+47+53+48+44+46

⇒ Mean=

40

119+770

,

40

889

=22.2

∴ Mean=22.2

b) To arrange data in ascending order

Median : 2,2,3,3,3,4,4,5,5,5,5,6,6,6,7,7,7,8,8,8,8,9,9,11,13,42,44,45,46,47,48,48,49,51,53,53,54,60.

Median =

2

8+8

=

12

6

=8

c)

Mode :- The only number which appears multiple times

Mode =2,3,4,5,6,7,8,9,48,53

d) Range: The subtract the smallest number from the largest number

=60−2=58

∴ Range =58