if the mean of the following data is 15 find p if x is equal to 5 10 15 20 25 and f is equal to 6 P 6 10 5
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Answer:
tell the sigma fi also............
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Answer:
Step-by-step explanation:
Mean = sigma fi xi/ sigma fi
Sigma fi xi= 30+10p+90+200+125
= 445+10p
Sigma fi = 6+p+6+10+5
= 27+p
Mean = 15
According to the formula,
15= 445+10p/27+p
15(27+p) = 445+10p
405+15p = 445+10p
15p - 10p = 445 - 405
5p = 40
p = 40/5 = 8
Hence, the value of p = 8
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