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Laabri

Correlation Coefficients Quiz

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Last updated about 4 years ago
11 Nsɛmmisa
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Asemmisa {{asɛmmisaAhyɛnsode}}
1.

Match each situation with its level and sign of correlation. A correlation with an absolute value larger than 0.7 is considered strong.

  • Weak Positive Correlation

  • Strong Positive Correlation

  • Weak Negative Correlation

  • Strong Negative Correlation

Asemmisa {{asɛmmisaAhyɛnsode}}
2.

Select all the values for r that indicate a positive slope for the line of best fit.

Asemmisa {{asɛmmisaAhyɛnsode}}
3.

The correlation coefficient, r, is given for several different linear models for a data set. Sort the r values from best fit (top) to worst fit (bottom).

  1. -0.95

  2. -0.34

  3. 0.01

  4. -0.82

Asemmisa {{asɛmmisaAhyɛnsode}}
4.

Which of the values below is the best estimate of the correlation coefficient for the line of best fit shown in the scatter plot? Explain your answer.

A: -0.9

B: -0.4

C: 0.4

D: 0.9

Asemmisa {{asɛmmisaAhyɛnsode}}
5.

Enter the data below as a table

Yɛayi Graphing asɛmmisa type foforo a wɔatu mpɔn adi! Asuafo rentumi mmua saa asɛmmisa yi bio.
Asemmisa {{asɛmmisaAhyɛnsode}}
6.

What is the equation of the line of best fit for the data?

Asemmisa {{asɛmmisaAhyɛnsode}}
7.

What is the correlation coefficient for the data?

Asemmisa {{asɛmmisaAhyɛnsode}}
8.

Enter the data below as a table

Yɛayi Graphing asɛmmisa type foforo a wɔatu mpɔn adi! Asuafo rentumi mmua saa asɛmmisa yi bio.
Asemmisa {{asɛmmisaAhyɛnsode}}
9.

What is the equation of the line of best fit for the data?

Asemmisa {{asɛmmisaAhyɛnsode}}
10.

What is the correlation coefficient for the data?

Asemmisa {{asɛmmisaAhyɛnsode}}
11.

What do you think s and h might stand for in the data table?