Question

The average of 30 observations is 45.if three new observations 42,44,48 be added,then find the new average

Answer 1

Answer:

$30 \times 45 = 1350 + 42 + 44 + 48 = 1484 \div 33 = 44.96$

Answer 2

Answer:

48

Step-by-step explanation:

30 =45

42+44+48=162

162/33=4.90