Algebra Correlation

correlation is when one set of data increases and the other set of data decreases.

• Positive

• Negative

• No

What type of correlation is shown in this graph?

• Strong Positive

• Weak Positive

• Strong Negative

• Weak Negative

• No Correlation

What type of correlation is shown in this graph?

• Strong Positive

• Weak Positive

• Strong Negative

• Weak Negative

• No Correlation

Is this line an accurate line estimate of best fit for the data?

• Yes

• No

What is the correlation coefficient of the linear fit of the data shown above, to the nearest hundredth?

• 0.51

• 1.00

• 0.93

• -1.00

• -0.93

• Weak negative correlation

• Strong negative correlation

• Weak positive correlation

• Strong positive correlation

Answer explanation

Tags

AI.9.4.A

• A

• B

• C

• D

• E

Tags

S-ID.8

As x increases, y decreases.

• no correlation

• negative correlation

• correlation coefficient

• positive correlation

The table shows the heights and the lengths of several rectangles.

What does the correlation coefficient for the data indicate about the strength of the linear association between the height and the length of these rectangles?

• Weak negative correlation

• Strong negative correlation

• Weak positive correlation

• Strong positive correlation

• 1
• 2
• 3
• 4