Math, asked by NandiniBhati, 8 months ago

the mean of the follow data is 7.5 find the value of P

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Answered by rajaman32

1

Step-by-step explanation:

3*6+5*8+7*15+9*p+11*8+13*4

=18+40+105+9p+88+52

=393+9p

mean=393+9p/41+p

7.5(41+p)=393+9p

307.5+7.5p=393+9p

1.5p=85.5

p=855/15

p=57

hope it helps

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