Question

Find the mean of 3.4, 5, 7, 8​

Answer 1

Given

• 3.4 , 5 , 7 , 8

To find

• Mean

Solution

• Mean = Sum of all observations/Total no.of observations
• Mean = 3.4 + 5 + 7 + 8 / 4
• Mean = 23.5 / 4
• Mean = 5.85

∴ The mean of 3.4 , 5 , 7, 8​ is 5.85

Answer 2

Mean = Sum of all observations/Total no.of observations

Mean = 3.4 + 5 + 7 + 8 / 4

Mean = 23.5 / 4

Mean = 5.85