" If "u_(i)=(x_(i)-25)/(10),Sigma f_(i)u_(i)=20,Sigma f_(i)=100." then "bar(x)" is "

If u_(i)=(x_(i)-15)/(8), Sigma f_(i)u_(i)=20, and Sigmaf_(i)=80, barx is

If u_i = (x_i - 25)/(10),sumf_iu_i =20, sumf_i = 100 , then barx =

If u_i = (x_1 -25)/10, Sigma f_i u_i = 20 and Sigma f_i = 100 , then find the value of bar x .

If u_i=(x_i-25)/(10),sumf_i u_i=20 ,sumf_i=100 , then x = 23 (b) 24 (c) 27 (d) 25

If u_i=(x_i-25)/10,sumf_iu_i=20,sumf_i=100 then barx

If u_i = (x_i-25)/5,sumf_iu_i = 20 and sumf_i= 100 then find the value of barx .

If u_i = (x_i-25)/10, sumf_iu_i = 20 and sumf_i = 100 then find the value of bar x .

If Sigma(x_(i)-2)=10,Sigma(y_(i)-5)=20,Sigmax_(i)y_(i)=148andn=5 , find cov (x,y)

Find bar(u)" if sumf_(i)u_(i)=66andsumf_(i)=100.

Find barX by step deviation method : Given : A = 2200. " "Sigma f_(i)u_(i) = - 15, " "Sigma f_(i) = 100 " and " g = 400 .