Question

a) 2.8
6. The range of the following data 10, 15, 25, 28, 35, 40​

Answer 1

Range = highest observation - lowest observation

= 40 - 10

= 30

Answer 2

$\fbox\red{ Range\:=\: max \: -\: min}$

In the following data

Maximus number is = 40

Minimum number is = 19

Range = 40 – 10

$\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\fbox\orange{=\:30}$

_________

Final answer:

Range = 10