The average of five observations is 16. If a new observation is included, new average is
increased by 1. Then the new observation is?
1) 16
2) 22
3) 18
4) 20
Answers
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1
Answer:
the answer is 22
Step-by-step explanation:
a+b+c+d+e/5=16
a+b+c+d+e=16*5
a+b+c+d+e=80
a new observation is added So, the total observation is now 6
a+b+c+d+e+X/6=16+1
a+b+c+d+e+X=17*6
80+X=102
X=102-80=22
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