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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 173

Example 173: Consider the following data:

X

1

2

3

4

5

6

7

Y

3

5

4

6

7

7

10

  1. Find the least squares line
  2. Calculate SSE
  3. CalculateS2
  4. Find a 95% confidence interval for the mean value of y whenx = 2.5
  5. Find a 95% prediction interval for the value of y whenx = 4.6
  6. Would it be wise to make a prediction interval for y when x = 10 ?

 

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