WSU STAT 360
Class Homework Assignments Autumn 2000

# Assignment 1 Due September 29, 2000

• Problem 2.8. Make steam and leaf and box plot.
• Problem 2.26 Make box plots.
• Problem 2.40 Make stem and leaf, box plot, and histogram.
• Problem 2.42 Problem of octane ratings, paired samples.
• Problem 3.2 Analysis of an empirical distribution.
• Problem 3.8 Analysis of a binomial distribution.

# Assignment 2 Due October 20, 2000

• Problem 3.22. Poisson distribution application.
• Problem 3.26. A geometric process.
• Problem 3.32. Uniform distribution.
• Problem 3.38. Normal distribution.
• Problem 3.42. Decision making from sample results.
• Problem 3.46. Process analysis.

# Assignment 3 Due November 3, 2000

• Problem 3.50. Process analysis. Filling containers.
• Problem 3.54. Analysis of process sampling.
• Problem 4.6 Confidence intervals for normal distribution.
• Problem 4.10 Power of test.
• Problem 4.22 Process study.
• Problem 4.24 Process control.

# Assignment 4 Due November 22, 2000

• Problem 4.38. Paired samples. Method comparison.
• Problem 5.6 Plotting a control chart.
• Problem 5.12 X bar and R control charts.
• Problem 5.18 s2 control chart.
• Problem 5.20 Property process control.
• Problem 5.48 CUSUM chart of data of 5.20.

# Assignment 5 Due December 8, 2000

• Problem 6.2. Nickel versus austenite regression.
• Problem 6.8. Regression analysis.
• Problem 6.12 Multiple regression analysis.
• Problem 6.20 Residual analysis of data of 6.12.
• Problem 7.2 2x2 factorial experiment design.
• Problem 7.8 2xK factorial experiment.