Interpreting Linear Models and Correlation Coefficient

What is Michael Phelps known for?

• Being a professional basketball player

• Winning multiple Olympic gold medals

• Inventing a new type of swim gear

• Winning a Nobel Prize

What would you need to know to compete against Michael Phelps in swimming?

• His favorite color

• The name of his coach

• His average swimming speed

• His favorite food

What is the purpose of graphing the 100-meter dash times?

• To decorate the classroom

• To pass time in class

• To learn drawing

• To predict future winning times

What does the correlation coefficient indicate in this context?

• The type of shoes worn

• The relationship between years and winning times

• The color of the athletes' uniforms

• The weather conditions during races

Why might the graph's scale be important in plotting data?

• It influences the lunch menu

• It changes the classroom's layout

• It alters the school's sports schedule

• It affects the graph's accuracy

How can a calculator be used in analyzing the 100-meter dash data?

• To check emails

• To listen to music

• To perform statistical calculations

• To play games

What can the linear regression model predict in sports analytics?

• The type of grass on the track

• The number of spectators

• The winner's favorite song

• The exact time of future races

Why is it impossible for the 100-meter dash time to decrease indefinitely?

• Runners will eventually run at light speed

• There is a physical limit to human speed

• Spectators demand longer races

• Athletes will stop training

How might a shoe company use data from the 100-meter dash?

• To write a book

• To design faster shoes

• To create a new drink

• To start a music band

What would you need to predict to win a gold medal in the 2016 Olympics 100-meter dash?

• The color of the medal

• The weather conditions

• The winning time based on past data

• The number of competitors