Question

Please help..
Do the question.

Answer 1

Answer:

here ur ans mate....

1.) mean = total no. of observation upon no. of observation

12+18+15+20+7+13+13 / 7 = 98/7 = 14 is ur mean..

2.)mode = No. which has appear max. number of time

13 is ur mode...

3.) median = middle number

First u will arrange the given numbers in ascending order...

7,12,13,13,15,18,20 = 13 is ur median...

hope it help u .....

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