Statistical Design and the Analysis of Experiments

Instructor: | W. Robert Stephenson |

3111 Snedecor Hall | |

Phone: | 294-7805 |

email: | wrstephe@iastate.edu |

homepage: | www.public.iastate.edu/~wrstephe |

Office Hours: | M W F 11 to 11:50 am, T Th 1:10 to 2:00 pm |

and by appointment | |

Lecture: | M W F 10 to 10:50 am, Town 270 |

Recommended Text: | Introduction to Design and Analysis of Experiments. |

by George W. Cobb, Key College Publishing/Springer-Verlag 1998. |

**Homework Assignments**

** Project **

** Computing **

You can download JMP 12 Pro by going to stat.iastate.edu/statistical-software-jmp. You should be able to directly download and install JMP from there. Follow the detailed instructions for installation for either Windows or Mac. The software will work until June 30, 2015.

**Course Material and Handouts**

- Monday, February 20: Multiple Comparisons

Lecture 15: Multiple Comparisons

- Wednesday, February 22: Factorial Crossing

Lecture 16: Factorial Crossing

- Friday, February 24: Recall Experiment.

Lecture 17: Recall Experiment - Setup

Recall Experiment

JMP Data Table for Recall Experiment. - Monday, February 27: Estimating effects, formal analysis.

Lecture 18:Factorial - Analysis - Wednesday, March 1: Tests for factor and interaction effects.

Lecture 19: Factorial - Analysis Continued

JMP Fit Model for Recall Experiment

- Friday, March 2: Multiple comparisons, residuals

Lecture 20: Factorial - Multiple Comparisons, Residuals

Comparisons of Treatment Means

Analysis of residuals for Recall Experiment - Monday, March 6: Contrasts.

Lecture 21: Contrasts

Contrasts for Recall Experiment

Orthogonal Polynomial Contrasts - Wednesday, March 8: Blocking Basics

Lecture 22: Blocking Basics - Friday, March 10:
**No Class** - Monday, March 20: Blocking - How to form blocks?

Lecture 23: Forming Blocks

- Wednesday, March 22: Analysis of the torque on knee experiment

Lecture 24: Analysis of Block Designs

Torque on Knee Experiment

JMP Data Table for Torque on Knee

Incorrect and Correct Analyses of Torque on Knee Data

- Friday, March 24: More than one observation per block; Advantages and Disadvantages of Block Designs

Lecture 25: More on Block Designs

Variation on the Torque on Knee Experiment

Randomized Complete Block Designs

- Monday, March 27: Latin square design - randomization

Lecture 26: Latin Square Design

Movie Appeal (Latin Square Design) - Wednesday, March 29: Analysis of the movie appeal experiment

Lecture 27: Latin Square Analysis

JMP Analysis of Movie Appeal Experiment (Latin Square Design)

**Material for the first exam - Friday, February 17, 2017** - Monday, January 9: Introduction, What makes a study and experiment?

Syllabus, Spring 2017

Student Questionnaire

Lecture 1: Introduction - Wednesday, January 11: Three Basic Principles: Control, Replication and Randomization.

Lecture 2: 3 Principles - Friday, January 13: Randomization. Comparing two independent samples.

Blood Pressure Experiment

Lecture 3: Randomization - Monday, January 16: No Class - University Holiday
- Wednesday, January 18: Two Sample t-test

Using JMP to analyze data from the Blood Pressure Experiment

JMP Output for Blood Pressure Experiment

Lecture 4: Two-sample t - Friday, January 20: Chapter 1 - Confidence intervals, Three Decisions

Lecture 5: CI's, Three Decisions - Monday, January 23: Chapter 2 - Three sources of variability, three kinds of variability, accuracy and precision

Lecture 6: Variability. - Wednesday, January 25: Chapter 2 - Models and Conditions; Chapter 3 - Analysis of Variance.

Lecture 7: Models, Conditions, Analysis - Friday, January 27: Chapter 3 - Analysis of Variance.

Lecture 8: Analysis of Variance

ANOVA - Monday, January 30: Chapter 3 - Confidence Intervals and residuals.

Lecture 9: Confidence Intervals and Residuals.

Plots of Residuals. - Wednesday, February 1: Chapter 4 - Decisions on the content of the experiment: Response, conditions, experimental material.

Lecture 10: Response and Conditions.

Lecture 11: Experimental Material.

- Friday, February 3: Chapter 5 - Basic Factorial Design

Sample size tables: see*Journal of Quality Technology*, Vol. 17, No. 3, July, 1985, p 168-169.

Lecture 12: Popcorn Experiment

Sample size tables - Monday, February 6: Popcorn Experiment Analysis

Lecture 13: Analysis of Popcorn Experiment

Popcorn Experiment

JMP data set for Popcorn Experiment

- Wednesday, February 8: Residuals; Advantages and Disadvantanges of a Completely Randomized Design

Lecture 14: Comparisons and Residuals

Completely Randomized Design - Friday, February 10: Multiple Comparisons

Lecture 15: Multiple Comparisons

** Material for the second exam - Friday, March 31, 2017**

** Exam Material **

- Exam 1 - Friday, February 17, 2017
- Things to know and formulas for Exam 1

Takehome problem for the first exam, February 17, 2017 - Sample Exam 1 Spring 2015

- Summary of results for Exam 1, Spring 2015

- Things to know and formulas for Exam 1
- Exam 2 - Friday, March 31, 2017
- Things to know and formulas for Exam 2

Takehome problems for the second exam, March 31, 2017 - Sample Exam 2 Spring 2015

- Summary of results for Exam 2, Spring 2015

- Things to know and formulas for Exam 2
- Final Exam -
**Tuesday, May 3, 2017 from 9:45 to 11:45 am**