Math, asked by Sahoopinky1213, 11 months ago

the average of 30 observation is 45. if 3 new observqtions 42,44,48 be added, find the new average

Answers

Answered by anithanix

2

Answer:

41

Step-by-step explanation:

x/30 = 45

x = 1350

new x = 1353

mean = 1353/33

=41

please give brainliest

Answered by awanishk798

2

Answer:

Average of 30 observation is 45

30×45=1350

three observation added =1350+42+44+48=1484

Average of 33 observation is=1484÷33

=44.96

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