Question

find the mean of the following data 2.2,10.2,14.7,5.9,4.9,11.1,10.5​

Answer 1

Answer:

mean=sum of all observation/total number of observation

=59.5/7

= 8.5

Answer 2

Answer:

8.5

Step-by-step explanation:

$mean =average \: of \: total \\ = 2.2 + 10.2 + 14.7 + 5.9 + 4.9 + 11.1 + 10.5 \div 7 \\ = 59.5 \div 7 \\ = 8.5$