if 7 is the mean of 10,3,,4,a,6,9 and 10 find the value of a
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Answered by
4
Mean =((4+10+3+6+9+10+a)/7) = 7
=> 42+ a=49
=> a = 7
Answered by
1
Answer:
Mean=Sum of observations/No of observations
Step-by-step explanation:
Mean=7
No of observations=7
7=10+3+4+a+6+9+10/7
7=42a/7
7*7=42a
49=42a
49/42=a
a=7/6
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