Line of Best Fit Review

Front

What type of association does this graph have? Options: positive, negative, none, all of the above

Back

negative

Front

About how many male math teachers were there in 2006? Options: 15, 30, 35, 45

Back

35

Front

What type of association does this graph show?

Back

none

Front

Which sentence describes the relationship shown on this scatter plot? Options: As the temperature decreases, the visitors increase. , As the temperature increases, the number of visitors increases. , As the visitors increase, the temperature decreases. , No correlation

Back

As the temperature increases, the number of visitors increases. 

Front

Determine the predicted income if 22 hours were worked on an assembly job using the line of best fit: y = 31.45x - 242.3.

Back

$449.60

Front

What does the value, r= -0.89, tell us about the linear relationship of two quantitative variables?

Back

Strong negative

Front

Determine the correlation coefficient of the given data:
Options: .9820, -.9643, 1.409, .6864

Back

.9820

Front

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

Back

Yes

Front

What type of Correlation? Options: Positive Correlation, Negative Correlation, No Correlation

Back

Negative Correlation

Front

What type of Correlation? Options: Positive Correlation, Negative Correlation, No Correlation

Back

No Correlation