rosieposie27
rosieposie27 rosieposie27
  • 22-05-2019
  • Mathematics
contestada

What is the correlation coefficient with the following data points: (2,47), (3,2), (5,26)?

0.19
-0.29
0.29
-0.19

Respuesta :

jess7774
jess7774 jess7774
  • 22-05-2019

The second one is the answer

Answer Link
AlonsoDehner AlonsoDehner
  • 02-06-2019

Answer:

Option B (-0.29)

Step-by-step explanation:

Given are x,y values as

(2,47), (3,2), (5,26)

x y xy x^2 y^2

     

2 47 94 4 2209

3 2 6 9 4

5 26 130 25 676

Total 10 75 230 38 2889

     

Cov -6.666666667    

r -0.2907    

Thus we find correlation coefficient is -0.29

Option B is right

Answer Link

Otras preguntas

The audience thinks 30% of Brandon's jokes are funny. What fraction of Brandons jokes does the audience think are funny?
A hamster runs at a speed of 17 centimeters per second in a wheel of radius 10 centimeters​
72+9 is equivalent to which expression?
true or false questions. grade nine science exam.
the primary purpose of an ethics audit is to ____.a.ensure that EEO policies are being implemented b. supplement a company's code of ethics c. evaluate a compan
what must happen for a chemical reaction to occur?​
Who was chosen to lead the Continental Army?
Read this definition of genocide from the United Nations, and summarize it in your own words.
I Just started these type of questions so I'm a little befuddled
would we consider the U.S economy mixed but tending towards free market ​