The scatterplot below shows Olympic gold medal performances in the long jump from 1900 to 1988. The long jump is measured in meters. Here is the equation of the least squares regression line Predicted long jump = 7.24 + 0.014 * year since 1900. What does the vertical-intercept (a.k.a. y-intercept) tell us?

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.CR: Chapter Review
Problem 37E: Find the positive geometric mean between 4 and 64.
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The scatterplot below shows Olympic gold medal performances in the long jump from 1900 to 1988. The long jump is measured in meters.

Here is the equation of the least squares regression line
Predicted long jump = 7.24 + 0.014 * year since 1900.

What does the vertical-intercept (a.k.a. y-intercept) tell us?

9.0
8.8
8.6-
8.4
00
000
8.2
8.0-
7.8
7.6
7.4
7.2
7.0
20
40
60
Year since 1900
80
100
120
Long jump
Transcribed Image Text:9.0 8.8 8.6- 8.4 00 000 8.2 8.0- 7.8 7.6 7.4 7.2 7.0 20 40 60 Year since 1900 80 100 120 Long jump
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