00:01
Hi, i'm david and i'm here and i'm here here.
00:02
In the question here we're given the sample correlation coefficient of the form r equal to n times summation of xy minus summation the x times summation the y, dividing by the square root of the n times summation of x square minus summation the x totally square, same thing for the y, in minus summation the y square.
00:28
In the question we're given the dataset, so let me bring it up here.
00:32
And from the data set here, if we call this one this one, this one will be our spain string, will be the x, 4, and first of all i need to find the end, which is 1 to 3, the summation of the x, the summation of the x, the summation of the x, then the summation of the y, the summation of the y, the summation of the x y...