Use the formula (zy)i<span> = (y</span>i<span> – ȳ) / s </span>y<span> and calculate a standardized value for each y</span>i<span>. Add the products from the last step together. Divide the sum from the previous step by n – 1, where n is the total number of points in our set of paired data. The result of all of this is the correlation coefficient </span>r<span>.</span>
Answer:


Step-by-step explanation:

Edit: Solve for Y
A straight line is 180 degrees so one side (the x side) is 160°, The Y side is 20, and you can work backwards by -

Answer:
Try using words that might appear on the page you’re looking for. For example, "cake recipes" instead of "how to make a cake."
Step-by-step explanation:
2/3% converted to a fraction is 1/150
:)))
X=12 is the answer, i have done this question before, hope i helped.