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m_a_m_a [10]
4 years ago
11

What is the correlation coefficient for the set of data? Round Your answer to the nearest thousandth.

Mathematics
2 answers:
Alla [95]4 years ago
6 0
Even if you don't solve for the correlation coefficient, you can already solve this by process of elimination and inspection. The correlation coefficient has a positive value, therefore, it's not D. Looking at the data, you can see a trend in the values; as one data increases, the other increases as well. Therefore, the dependency of the variables is strong and the correlation coefficient must be close to 1. So, the answer is B.
LuckyWell [14K]4 years ago
5 0

Lesson 7: Scatter Plots and Regression Lines

Which type of correlation by the scatter plot?

B. Negative Correlation

Which type of correlation by the scatter plot?

D. No Correlation

What is the correlation coefficient for the set of data?Round your answer to the nearest thousandth?

B. 0.989

About how tall would expect of these trees to be after 22 years?

C. 44.25

You use a line of best fit for a set of data to make a prediction about an unknown value.The correlation coefficient for your data set is -0.993. How conflict can you be that your predicted value will be reasonably close to actual value?

C. I can be very confident; it will be close, but it probably won't be exactly.

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Answer:

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4 years ago
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