Statistics is the science of collecting, organizing, describing and making decisions with data. Deciding things like the type of variable being studied to whether or not a study provides evidence a medicine works are all covered in statistics courses. The lessons below review these important topics.

## Summarizing Data with Tables and Plots

### Histograms

- Making Frequency Distributions and Histograms by Hand
- How to Read a Histogram
- Histograms on the TI83 and 84 Graphing Calculator
- Common shapes of distributions

### Dotplots

### Stemplots

### Boxplots

### Two way tables

### Scatterplots

## Summarizing Data with Numbers

### Measures of Center

- Calculating the mean (includes using the formula and using a TI84 or TI83 calculator)
- Calculating the mean in minitab
- Finding and Understanding the Median (includes: excel, graphing calculator, and by hand)

### Measures of Variation

- Finding the Standard Deviation and the Variance on a Graphing Calculator
- Finding and interpreting the z-score

## Counting and Probability

### Introduction

- Counting with the multiplication rule
- Probability terminology
- What is a sample space?
- Conditional probability
- Finding “and” probabilities

### Binomial distributions

- How to determine if an experiment is binomial
- Using the TI 83 or 84 to find binomial probabilities
- Binomial probabilities examples

## Confidence Intervals

- Calculating Confidence Intervals for Means By Hand
- Calculating Confidence Intervals for Proportions By Hand

- Using a Graphing Calculator to Find Confidence Intervals for Means
- Interpreting Confidence Intervals

- Three Ways to Write a Confidence Interval

## Hypothesis Testing

- Using the NFL to Understand Hypothesis Testing
- What is a p-value?
- t-test for the mean on a TI83 or TI84 calculator (p-value method)