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Ghella [55]
3 years ago
7

Which answer is the best estimate of the correlation coefficient for the variables in the scatter plot.

Mathematics
2 answers:
Sholpan [36]3 years ago
8 0

Answer:

These points are hard to graph, so I have a website that you can go to instead and all you have to do is put in the points and then once you're done type in correlation coefficient and then type in (A,B,C, D, E, etc.) and you'll be given the correlation coefficient. I put a picture with my attempt at graphing. I hope this helps, sorry I couldn't graph it for you

The site is: geogebra and it is a graphing calendar: https://www.geogebra.org/graphing

kotegsom [21]3 years ago
6 0

Answer: -0.52

Step-by-step explanation:

From the given scatter plot, it can be seen that there is a moderate negative correlation between the variables as variable X increases variable Y decreases.

i.e. the value of correlation coefficient must be negative.

Also, the value of weak correlation coefficient r, lies between the absolute value of 0.40 to 0.59.

From all the given options -0.52  is the value which is contained in interval  0.40 to 0.59 .

Therefore, the best estimate of the correlation coefficient for the variables in the scatter plot = -0.52

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