Question

please tell me this​

Answer 1

Answer:

(I) arranging the given in ascending order

17,19,20,22,24,24,28,30,30,36

mean= sum of observation / total no. of observation

= 250/10

= 25 min

(ii) new mean = sum all observation / total no. of observation

= 250+14/11

=264/11

= 24 min