Question

1. Find the range and mean of following data:21, 16, 30, 15, 16, 18, 10, 24, 26, 20​

Answer 1

Answer:

range = 20

mean = 196 / 10 or 19.6

Step-by-step explanation:

range = upper limit - lower limit

= 30 - 10

= 20 ( answer )

mean = sum of observation / no. of observation

= 21 + 16 + 30 + 15 + 16 + 18 + 10 + 24 + 26 + 20 / 10

= 196 / 10

or

19.6

hope this will helps u.....be happy......