Question

find mean and mode of 6,5,7,8,7,3,5,2,3,5,1,8,5​

Answer 1

Answer:

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

Answer 2

put the numbers in order from least to greatest and count how many times each number occurs. The number that occurs the most is the mode!

so mode is 5

The mean is the total of the numbers divided by how many numbers there are. To find the mean, add all the numbers together then divide by the number of numbers.

so mean is 1+2+3+3+5+5+5+5+6+7+7+8/12

57/12

so mean is 4.75

ANSWERS:MODE:5

MEDIAN:4.75

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