If the mean of 10;12;18;13;p and 17 is 15 find the value of p
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p=20
Step-by-step explanation:
Since mean of a set of observation means the average of that set....
So in this case mean is 10+12+13+18+17+p and given that mean is 15 ...
Thereby (10+12+13+17+18+p)/ number of terms = 15 (Number of terms here is 6...
(70+p)/6 = 15
Therefore, 70+p =15*6
70+p=90
p= 90-70
p=20...
Thank you
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