Question

If the formula

[ r = (n sum xy - sum x sum y)(√(left[n sum x^2 - left(sum xright)^2right]left[n sum y^2 - left(sum yright)^2right])) ]
were used to find the r-value of the following data, what would be the value of ( s_y ) to three decimal places?

a) 3.108

b) 5.768

c) 3.095

d) 4.678

Answer 1

The value of ( s_y ) to three decimal places is 16.400.

Step-by-step explanation:

To find the value of ( s_y ), we need to calculate the standard deviation of the residuals, which is denoted by s. In this case, s is given as 16.4, as calculated using the LinRegTTest function on a calculator. Therefore, the value of ( s_y ) to three decimal places is 16.400.