AP+Statistics+Chapter+3+Section+3 (1)

AP+Statistics+Chapter+3+Section+3 (1) - AP Statistics...

Info iconThis preview shows pages 1–9. Sign up to view the full content.

View Full Document Right Arrow Icon
AP Statistics Chapter 3 Section 3
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Vocab Least Squares Regression Line Regression line, line of best fit Mathematical model Predict Slope Intercept Coefficient of determination Residuals Residual plot Round-off error Outlier Influential observation
Background image of page 2
Does the age at which a child begins to talk predict later score on a test of mental ability? Child Age (in months) Score 1 15 95 2 26 71 3 10 83 4 9 91 5 15 102 6 20 87 7 18 93 8 11 100 9 8 104 10 20 94 11 7 113 12 9 96 13 10 83 14 11 84 15 11 102 16 10 100 17 12 105 18 42 57 19 17 121 20 11 86 21 10 100
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Table of data Pg. 153 Explanatory variable – Age at which first word is spoken Response variable – Gesell Adaptive Score
Background image of page 4
1. Scatterplot of Gesell Adaptive Scores versus Age at which first word is spoken 10 20 30 40 50 140 120 100 80 60 40 Gesell Adaptive Score Age (in months) at which first word is spoken 19 18
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
2. Describe Scatterplot The graph of Gesell Adaptive Scores versus the age at first word for 21 children shows a moderately strong, negatively associated linear relationship. Child #18 and Child #19 have data that stands out as different from the rest of the children.
Background image of page 6
3. Line of Best Fit In Calculator: Stat, test, LinRegTtest,
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
3. Line of Best Fit Cont. Calculate
Background image of page 8
Image of page 9
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 04/10/2011 for the course MATH 1070 taught by Professor Akbas during the Fall '08 term at Georgia State.

Page1 / 26

AP+Statistics+Chapter+3+Section+3 (1) - AP Statistics...

This preview shows document pages 1 - 9. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online