Answered

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What is the correlation coefficient r for the data set? enter your answer to the nearest hundredth in the box. r = x y 25 240 26 242 27 230 28 229 28 220 28 219 29 200 30 202 31 184 32 180

Sagot :

Martebi

The use of the excel tool given in the image above will give you the correlation coefficient of r for the data set is as r=-0.96

What is the correlation coefficient  about?

Note that  one have to find first,  the mean of all of your the x-values, and then one can find the mean of all of the y-values.

Note that  one can use the excel to find the mean which will be 28.4 and 214.6 for both.

The next step is to find the standard deviation for x and y. Then, you have to put it into the formula that is given for the correlation coefficient."

When you use the excel, R will be  -0.9647 and when you round up to the nearest hundredth,  the answer will be -0.96.

Learn more about Excel from

https://brainly.com/question/25879801

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View image Martebi
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