[-sum_(i=1)^(5)p^(6),<5sqrt(3)*cdots],[-(2)/(3)times(3)/(5)+(5)/(2)-(3)/(5)times(1)/(6)]

sum_(1lei)sum_(ltjle n)ij=((sum_(i=1)^(n)i)^(2)-(sum_(i=1)^(n)i^(2)))/(2)

Find sum_(i=1)^(6)2.3^(i)

The value of sum_(r=1)^(5)(i^(r )-i^(r+1)) is, where i=sqrt(-1)

If sum_(i=1)^(7) i^(2)x_(i) = 1 and sum_(i=1)^(7)(i+1)^(2) x_(i) = 12 and sum_(i=1)^(7)(i+2)^(2)x_(i) = 123 then find the value of sum_(i=1)^(7)(i+3)^(2)x_(i)"____"

If sum_(i=1)^(7) i^(2)x_(i) = 1 and sum_(i=1)^(7)(i+1)^(2) x_(i) = 12 and sum_(i=1)^(7)(i+2)^(2)x_(i) = 123 then find the value of sum_(i=1)^(7)(i+3)^(2)x_(i)"____"

If sum_(i=1)^(5) (x_(i) - 6) = 5 and sum_(i=1)^(5)(x_(i)-6)^(2) = 25 , then the standard deviation of observations

If sum_(i=1)^(5) (x_(i) - 6) = 5 and sum_(i=1)^(5)(x_(i)-6)^(2) = 25 , then the standard deviation of observations

If for a sample size of 10 , sum_(i=1)^(10)(x_i-5)^2=350 and sum_(i=1)^(10)(x_i-6)=20 , then the variance is

If for a sample size of 10 , sum_(i=1)^(10)(x_i-5)^2=350 and sum_(i=1)^(10)(x_i-6)=20 , then the variance is

If sum_(i=1)^(n)(x_(i)-2)=110, sum_(i=1)^(n)(x_(i)-5)=20 , then what is the mean?