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Ma 442: Statistics

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Theoretical development of sampling distributions, point and interval estimation, and hypothesis testing, estimation properties and techniques, and fitting theoretical distributions to empirical distributions. Required calculator: TI 89 or Nspire CAS. Prerequisite(s): Ma 345. 3 Credits.

Spring 2026 Course Information

Course Resources

Project Resources

Fitting Distributions in R

Anderson-Darling Test (a goodness of fit test)

Chi-Square Goodness of Fit Test

Kolmogorov-Smirnov Goodness of Fit Test

Goodness of Fit Package for R

Introduction to Simulation Using R

Communicating Inferential Stats Effectively

APA Guidelines for citing statistics:   the following are helpful sites, you are welcome to use others

Purdue Online Writing Lab  
Illinois State University - Dr. Jeffrey Kahn   
APA Notation Chart, Graham Hole, Research Skills 2012   
Statistics Solutions   
APA 

Recommended Homework Problems

The textbook puts applied exercises for the whole chapter in the last section of each chapter.  You should work the problems in the last section as you work through the homework for the chapter.

Modeling and Assessing Distributions

Simulation - see Introduction to Simulation Using R by Rakhshan and Pishro-Nik

Ch 14 Loss Models (see link in Resources): Sections 1-2
# 1-3, 7, 8a (only do mean and st dev), 9 (do mean and var instead)

Ch 13: Section 8
# 80-83

Ch 10: Sections 2-8
# 1, 5, 7, 11, 12, 23-25, 78, 80, 36, 37, 42-44, 50, 52, 55, 57, 61, 62, 67, 71, 81, 84, 87, 88, 2

Hypothesis Testing, Confidence Intervals, and Predictive Models

Ch 11:  Sections 1, 2 - 7 
# 20-23, 28-30, 32, 34-36, 38, 39, 43, 49-54 (include English for every problem)

Ch 12: Sections 4-6
# 1, 4, 6, 8, 9, 11, 12, 15, 16, 20, 21, 26, 31, 32, 38, 39, 44

Ch 13: Sections 1-7 
# 19, 25-31, 33a, 42-44, 47-48, 53, 57-59, 61, 63, 67, 73, 75, 77, 84-86 (include English for every problem that needs it) ... Ch 13 HT Handout

Ch 15: Sections 2-3
# 17, 19 (include English for every problem)

Ch 14: Sections 1-6
# 41, 43, 45,50, 54, 55  (include English for every problem that needs it)