Question

The following is a list of 4 measurements.10, 11, 15, 6Send data to calculatorSuppose that these 4 measurements are respectively labeled X1, X2, ..., *4. Compute the following.4Σi=1

Answer 1

Given the measurements:

x1 = 10

x2 = 11

x3 = 15

x4 = 6

We're asked to find:

$\sum ^4_{i=1}(x_i)^2=x^2_{1^{}}+x^2_2+x^2_3+x^2_4$

Which is

100+121+225+36

=482