Stylized Strand of DNA

Statistics

STANFORD UNIVERSITY

A Gentle Introduction

Assignment

Due last day of class

If you are taking the course for credit or for a letter grade, you must complete the assignment.


Part 1

In an Excel file, create examples showing the use of each of the following Excel worksheet functions.

Worksheet functions are described in Schmuller p. 23.

 

average

max

 

median

min

 

var

rand

 

stdev

ttest (two-sample assuming equal variances)

 

standardize

ttest (paired/matched)

 

rank

correl (Pearson)

Part 2

In the same Excel file create examples showing the use of each of the following menu items from the Tools/Data Analysis menu.

Described in Schmuller p. 31.

 

ANOVA: Single factor

Regression

 

Correlation

Sampling

 

Descriptive Statistics

t-test: Paired two sample for means

 

Random Number Generation

t-test: two-sample assuming equal variances

Part 3

Find three newspaper or magazine articles that contain incorrect or misleading analysis or presentation of statistics.

For each article, hand in a copy of the article and a short critique of the incorrect or misleading analysis or presentation of statistics in the article.


Email the Excel file to me, mwalker@stanfordalumni.org.

Hand in the three newspaper or magazine articles and your critique of the articles on the last day of class.

Write your name on your critique.


Course Syllabus

Lecture 1

Course introduction.

Assignments

Statistics software.

How to describe data: Descriptive statistics.

Phillips chapter 3,4,5,8

Schmuller chapter 4,5,6.

Lecture 2

What does statistically significant mean? Probability and p-values.

How to compare groups: T-tests

Phillips chapter 7,8,9

Schmuller chapter 9,10,11.

Lecture 3

How to compare groups: Analysis of Variance (ANOVA)

How many subjects do I need? Sample size and power.

Phillips chapter 10

Schmuller chapter 14,15.

Lecture 4

How to detect and quantify trends: Regression

How to measure association: Correlation

Phillips chapter 6,11

Schmuller chapter 14,15.

Lecture 5

How to measure association: chi-square test

Non-parametric tests (for non-normal distributed data)

Common errors in statistical analyses

Phillips chapter 10

Schmuller chapter 10,19,20.

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Contact Information


Tel: 408 234 8971

Send Email


Course Syllabus

Lecture Series


Recommended Textbooks:

1. How To Think About Statistics

Philips, John L.

2. Statistical Analysis With Excel

Schmuller, Joseph


Sample Excel Files

1. Descriptive Statistics Examples

Download (64kb)

2. Statistics In 1 Hour

Download (122kb)

3. DOE Experiment Design Baking

Download (52kb)

4. Excel tools Pivot table

Download(29kb )

5. Regression BP example

Download (87kb)


Sample R Files

1. Permutation Example R Code

Download