Correlation Coefficient | Baamboozle - Baamboozle

English 21 Public

r-value and correlation

Study Slideshow

Does the following scatterplot model positive, negative, or no correlation?

POSITIVE

Does the following scatterplot model positive, negative, or no correlation?

NEGATIVE

Does the following scatterplot model positive, negative, or no correlation?

NO CORRELATION

Choose the most accurate r-value. r=0.9 r=-0.8 r=0.5 r=0.1

r=0.5

Choose the most accurate r-value. r=-0.09 r=-0.9 r=-0.5 r=0.3

r=-0.9

Choose the most accurate r-value. r=0.99 r=-0.75 r=0.45 r=0.01

r=0.01

Choose the most accurate r-value. r=0.8 r=-0.75 r=-0.8 r=0.6

r=0.8

Describe the following r-value using two words. r=-0.32

WEAK, NEGATIVE

Describe the following r-value using two words. r=0.002

WEAK,POSITIVE

Describe the following r-value using two words. r=0.92

STRONG, POSITIVE

Describe the following r-value using two words. r=-0.899

STRONG,NEGATIVE

Describe the following r-value using two words. r=0.65

MODERATE, POSITIVE

Which r-value is stronger? r=-0.87 or r=0.78?

r=-0.87

Which r-value is stronger? r=-0.98 or r=0.978?

r=-0.98

Which r-value is stronger? r=-0.675 or r=0.676?

r=0.676

Calculate the correlation coefficient.

0.476