A statistician determined that the winning times in the women's 200 m Olympic sprint can be modelled by the regression equation T= 22.249 -0.034y where Trepresents the winning time in seconds and y represents the years since 1992. a) What do the slope and y-intercept represent in this context? b) Estimate the first year when the winning time will be below 21 s. Remember that the summer Olympics occurs every four years.

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
icon
Related questions
Question
A statistician determined that the winning times in the women's 200 m Olympic
sprint can be modelled by the regression equation
T= 22.249 -0.034y
where Trepresents the winning time in seconds and y represents the years since
1992.
a) What do the slope and y-intercept represent in this context?
b) Estimate the first year when the winning time will be below 21 s. Remember that
the summer Olympics occurs every four years.
Transcribed Image Text:A statistician determined that the winning times in the women's 200 m Olympic sprint can be modelled by the regression equation T= 22.249 -0.034y where Trepresents the winning time in seconds and y represents the years since 1992. a) What do the slope and y-intercept represent in this context? b) Estimate the first year when the winning time will be below 21 s. Remember that the summer Olympics occurs every four years.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Similar questions
Recommended textbooks for you
Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
Algebra
ISBN:
9780134463216
Author:
Robert F. Blitzer
Publisher:
PEARSON
Contemporary Abstract Algebra
Contemporary Abstract Algebra
Algebra
ISBN:
9781305657960
Author:
Joseph Gallian
Publisher:
Cengage Learning
Linear Algebra: A Modern Introduction
Linear Algebra: A Modern Introduction
Algebra
ISBN:
9781285463247
Author:
David Poole
Publisher:
Cengage Learning
Algebra And Trigonometry (11th Edition)
Algebra And Trigonometry (11th Edition)
Algebra
ISBN:
9780135163078
Author:
Michael Sullivan
Publisher:
PEARSON
Introduction to Linear Algebra, Fifth Edition
Introduction to Linear Algebra, Fifth Edition
Algebra
ISBN:
9780980232776
Author:
Gilbert Strang
Publisher:
Wellesley-Cambridge Press
College Algebra (Collegiate Math)
College Algebra (Collegiate Math)
Algebra
ISBN:
9780077836344
Author:
Julie Miller, Donna Gerken
Publisher:
McGraw-Hill Education