U3 Study Guide - Scatterplots, Slope & Line of Best Fit

Front

Table comparing foot length to height in cm. Calculate line of best fit.

Back

f(x) = 5.57x + 25.05

Front

What is the line of best fit? Options: f(x)= 5x+1.82, cannot be determined, f(x)= 1.82x + 5.02, f(x)= 1.1x + 4.2

Back

f(x)= 1.82x + 5.02

Front

What is the type of correlation? Options: Negative, no correlation, positive

Back

no correlation

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

Which graph most clearly shows a negative correlation between the x- and y- values?

Back

Front

Back

Front

Correlation coefficient of the linear regression equation of the line of best fit for the data?

Back

Front

What type of correlation does this graph show?

Back

none

Front

What type of correlation does this graph have?

Back

Positive correlation

Front

A perfect negative correlation has a correlation coefficient of ____.

Back

-1