Below are two sets of data; a comparison of the total fat and total calories at fast food restaurants and the Olympic gold medal winning times in the 100m dash.

Sandwich Total Fat (g) Total Calories
Hamburger
9
260
Cheeseburger
13
320
Quarter Pounder
21
420
Quarter Pounder w/Cheese
30
530
Big Mac
31
560
Arch Sandwich Special
31
550
Arch Special with Bacon
34
590
Crispy Chicken
25
500
Fish Fillet
28
560
Grilled Chicken
20
440
Grilled Chicken Light
5
300

For this interactive activity, assistance may be required.This activity might not be viewable on your mobile device. Enter the data above into the x and y columns in the linear regression applet below. You will have to copy and paste one column at a time.

After the data is in the applet, press the plot button and press the analyze data button.


Olympic 100 m
Year
Time (sec)
1900
11
1904
11
1908
10.8
1912
10.8
1920
10.8
1924
10.6
1928
10.8
1932
10.3
1936
10.3
1948
10.3
1952
10.4
1956
10.5
1960
10.2
1964
10
1968
9.95
1972
10.14
1976
10.06
1980
10.25
1984
9.99
1988
9.96
1992
9.84
1996
9.84
2000
9.84

For this interactive activity, assistance may be required.This activity might not be viewable on your mobile device.Enter the data above into the x and y columns in the linear regression applet below. You will have to copy and paste one column at a time.

After the data is in the applet, press the plot button and press the analyze data button.

View the results.


Resources used above:

Linear Regression Applet. Dr. Philippe B. Laval, Kennesaw State University.