With reason write that whether the following statements is consistent or not n=10, me(x)=5, `sum_(i=1)^10 x i=40 sum_(i=1)^10|x_i-5|=25,sum_(i=1)^10|x_i-4|=27`.

sum_(i = 1)^n sum_(j = 1)^i sum_(k = 1)^j 1 is equal to

The sum and sum of squares corresponding to length x (in cm) and weight y (in gm) of 50 plant products are given below: sum_(i=1)^(50)x_(i)=212, sum_(i=1)^(50)x_(i)^(2)=902.8, sum_(i=1)^(50)y_(i)=261, sum_(i=1)^(50)y_(i)^(2)=1457.6 Which is more varying, the length or weight?

Are the data n=10 sum_i x_i^2=400,overlinex=7 , consistent ?

Let {D_1, D_2, D_3 ,D_n} be the set of third order determinant that can be made with the distinct non-zero real numbers a_1, a_2, a_qdot Then a. sum_(i=1)^n D_i=1 b. sum_(i=1)^n D_i=0 c. D_i-D_j ,AAi ,j d. none of these

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

If sum_(i=1)^(2n) sin^-1x_i = npi then find the value of sum_(i = 1)^(2n) x_i

If overlinex is the mean of a set of n observations x_1 , x_2 , x_3…..,x_n then sum_(i=1)^n(x_i-overlinex) is equal to

If i^2=-1 ,then sum_(n=0)^225i^n is

Find the sum of the following A.P.s : (i)1/15, 1/12, 1/10, … to 11 terms

Find mean deviation about the mean for the following data : {:("x"_(i),2,5,6,8,10,12),("f"_(i),2,8,10,7,8,5):}