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Course Documents

Chapter 1 - Intro

Chapter 2 - Methods for Describing Sets of Data

Chapter 3 - Probability

Chapter 4 - Discrete Random Variables

Chapter 5 - Normal Random Variables

Chapter 6 - Sampling Distributions

Chapter 7 - Confidence Intervals

Chapter 8 - Tests of Hypothesis: One Sample

Chapter 9 - Confidence Intervals and Hypothesis Tests: Two Samples

Sample Exam I: Chapters 1 & 2

Sample Exam II: Chapters 3 & 4

Sample Exam III: Chapters 5 & 6

Sample Exam IV: Chapters 7 & 8

Example 162/163tech

Example 162: Find the least squares prediction line for the following pre-owned Corvette data
Age     6    6    5    2    2    5    4    5    1    4
Price    27000    26000    27500    40500    36400    29500    33500    30800    40500    30500


Here is the work performed by Minitab (the price values are expressed in ten thousands):
Coefficients

Term         Coef  SE Coef  T-Value  P-Value   
Constant    4.386    0.128    34.21    0.000
Age       -0.2911   0.0296    -9.84    0.000  


Example 163: What would the average price be for a Corvette that was three years old?

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