Quiz Review: Scatter Plots & Residuals
By Jeanmarie Mullen
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Last updated over 3 years ago
24 Questions
1
1.
This scatter plot shows the relationship between the ages of a group of students and the number of minutes they spend on the telephone each day.
What type of correlation exists for the data?
[Space is provided for optional work.]
This scatter plot shows the relationship between the ages of a group of students and the number of minutes they spend on the telephone each day.
What type of correlation exists for the data?
[Space is provided for optional work.]
1
2.
In one of Boston's city parks, there is a problem with loose dogs. A dogcatcher takes a random sample of 8 days and compiles the following data. For each day, x represents the number of visits by the dogcatcher to the park and y represents the number of reported loose dogs on that day.
What is the correlation coefficient for this table?
[Space is provided for optional work.]
In one of Boston's city parks, there is a problem with loose dogs. A dogcatcher takes a random sample of 8 days and compiles the following data. For each day, x represents the number of visits by the dogcatcher to the park and y represents the number of reported loose dogs on that day.
What is the correlation coefficient for this table?
[Space is provided for optional work.]
1
3.
Which scatter plot shows the strongest positive correlation?
[Space is provided for optional work.]
Which scatter plot shows the strongest positive correlation?
[Space is provided for optional work.]
1
4.
What is the equation for the line of best fit for the data shown in the table?
[Space is provided for optional work.]
What is the equation for the line of best fit for the data shown in the table?
[Space is provided for optional work.]
1
5.
Which of the following residual plots shows that a linear model is appropriate for the data?
[Space is provided for optional work.]
Which of the following residual plots shows that a linear model is appropriate for the data?
[Space is provided for optional work.]
1
6.
What should a residual plot look like?
[Space is provided for optional work.]
What should a residual plot look like?
[Space is provided for optional work.]
1
7.
What type of correlation, if any, exists between the diameter of a tree and it's height.
[Space is provided for optional work.]
What type of correlation, if any, exists between the diameter of a tree and it's height.
[Space is provided for optional work.]
1
8.
This scatter plot shows the height's of students and their test scores. What type of correlation, if any, exists between a student's height and test score?
[Space is provided for optional work.]
This scatter plot shows the height's of students and their test scores. What type of correlation, if any, exists between a student's height and test score?
[Space is provided for optional work.]
1
9.
The following scatter plot shows the relationship between age and auto insurance premiums. Which of the following seems to be the most appropriate correlation coefficient for the scatter plot shown?
[Space is provided for optional work.]
The following scatter plot shows the relationship between age and auto insurance premiums. Which of the following seems to be the most appropriate correlation coefficient for the scatter plot shown?
[Space is provided for optional work.]
1
10.
At the dinner last night, the Incredibles were discussing residual plots. Who made accurate statements about residual plots?
[Space is provided for optional work.]
At the dinner last night, the Incredibles were discussing residual plots. Who made accurate statements about residual plots?
[Space is provided for optional work.]
1
11.
This table shows the temperature at noon in degrees Celsius on 10 different days throughout the year and the number of customers in an ice cream store.
Make a scatter plot of these data.
This table shows the temperature at noon in degrees Celsius on 10 different days throughout the year and the number of customers in an ice cream store.
Make a scatter plot of these data.
1
12.
This table shows the temperature at noon in degrees Celsius on 10 different days throughout the year and the number of customers in an ice cream store.
What is the equation for the line of best fit, rounded to the nearest tenth ?
This table shows the temperature at noon in degrees Celsius on 10 different days throughout the year and the number of customers in an ice cream store.
What is the equation for the line of best fit, rounded to the nearest tenth ?
1
13.
This table shows the temperature at noon in degrees Celsius on 10 different days throughout the year and the number of customers in an ice cream store.
Predict the number of customers on a day when the temperature is 10o C , rounded to the nearest whole number .
This table shows the temperature at noon in degrees Celsius on 10 different days throughout the year and the number of customers in an ice cream store.
Predict the number of customers on a day when the temperature is 10o C , rounded to the nearest whole number .
1
14.
This table shows the temperature at noon in degrees Celsius on 10 different days throughout the year and the number of customers in an ice cream store.
What is the correlation coefficient of the data, rounded to the nearest hundredth ?
This table shows the temperature at noon in degrees Celsius on 10 different days throughout the year and the number of customers in an ice cream store.
What is the correlation coefficient of the data, rounded to the nearest hundredth ?
1
15.
The following scatter plot show the data for the height and weight of basketball players.
What is the equation for the line of best fit, rounded to the nearest hundredth ?
The following scatter plot show the data for the height and weight of basketball players.
What is the equation for the line of best fit, rounded to the nearest hundredth ?
1
16.
The following scatter plot show the data for the height and weight of basketball players.
What is the correlation coefficient of the data, rounded to the nearest hundredth ?
The following scatter plot show the data for the height and weight of basketball players.
What is the correlation coefficient of the data, rounded to the nearest hundredth ?
1
17.
The following scatter plot show the data for the height and weight of basketball players.
Explain what the correlation coefficient means, in the context of the problem.
The following scatter plot show the data for the height and weight of basketball players.
Explain what the correlation coefficient means, in the context of the problem.
1
18.
The chart shows the weight, in hundreds of pounds, of seven vehicles and the gas mileage (miles per gallon) each vehicle gets.
Create a scatter plot for the data on the graph provided.
The chart shows the weight, in hundreds of pounds, of seven vehicles and the gas mileage (miles per gallon) each vehicle gets.
Create a scatter plot for the data on the graph provided.
1
19.
The chart shows the weight, in hundreds of pounds, of seven vehicles and the gas mileage (miles per gallon) each vehicle gets.
Write the equation for the line of best fit, rounded to the nearest hundredth .
The chart shows the weight, in hundreds of pounds, of seven vehicles and the gas mileage (miles per gallon) each vehicle gets.
Write the equation for the line of best fit, rounded to the nearest hundredth .
1
20.
The chart shows the weight, in hundreds of pounds, of seven vehicles and the gas mileage (miles per gallon) each vehicle gets.
Using your equation for the line of best fit, how many miles per gallon would you predict a 5000 pound vehicle to get, rounded to the nearest mile per gallon ?
The chart shows the weight, in hundreds of pounds, of seven vehicles and the gas mileage (miles per gallon) each vehicle gets.
Using your equation for the line of best fit, how many miles per gallon would you predict a 5000 pound vehicle to get, rounded to the nearest mile per gallon ?
1
21.
The chart shows the weight, in hundreds of pounds, of seven vehicles and the gas mileage (miles per gallon) each vehicle gets.
What is the correlation coefficient for the data, rounded to the nearest hundredth ?
The chart shows the weight, in hundreds of pounds, of seven vehicles and the gas mileage (miles per gallon) each vehicle gets.
What is the correlation coefficient for the data, rounded to the nearest hundredth ?
1
22.
The table shows the number of prom tickets sold over a ten-day period.
Create a scatter plot for the table.
The table shows the number of prom tickets sold over a ten-day period.
Create a scatter plot for the table.
1
23.
The table shows the number of prom tickets sold over a ten-day period.
What is the equation for the line of best fit, rounded to the nearest hundredth ?
The table shows the number of prom tickets sold over a ten-day period.
What is the equation for the line of best fit, rounded to the nearest hundredth ?
1
24.
The table shows the number of prom tickets sold over a ten-day period.
What is the correlation coefficient, rounded to the nearest hundredth ?
The table shows the number of prom tickets sold over a ten-day period.
What is the correlation coefficient, rounded to the nearest hundredth ?