Scatter Plots

Front

How do you calculate a residual?

Back

actual-predicted

Front

Which residual plot represents a good fit?

Back

Front

After performing analyses on a set of data, Jackie examined the scatter plot of the residual values for each analysis. Which scatter plot indicates the best linear fit for the data?

Back

Front

Which residual plot would indicate that a linear function would not be a good fit to model a data set?

Back

Front

A line of best fit has been drawn on the scatter plot below. The relationship between these variables can be described as having:

• a negative correlation
• no correlation
• a positive correlation
• zero correlation

Back

a positive correlation

Front

The scatter plot below represents the relationship between the number of peanuts a student eats and the student's bowling score. Which conclusion about the scatter plot is valid?

Back

There is almost no relationship between eating peanuts and bowling score.

Front

The maximum height and speed of various roller coasters in North America are shown in the table above. Which graph represents a correct scatter plot of the data?

Back

Front

Based on the line of best fit drawn below, which value could be expected for the data in June 2015? Options: 230, 310, 480, 540

Back

480

Front

Linear regression equation for water temperatures at various ocean depths (round to nearest thousandth).

Back

Front

Priscilla ties knots in a rope and measures the new length. Which equation represents the line of best fit for this data? Options:

y = −3.3x + 112.1

,

y = 112.1x − 3.3

,

y = −0.98x + 112.1

,

y = 112.1x − 0.96

Back

y = −3.3x + 112.1