# Using and Handling Data

 Data Index Probability and Statistics Index Graphs Index

# Data

## What is Data?

 What is Data? Discrete and Continuous Data Analog and Digital

## How to Show Data

 Bar Graphs Pie Charts Dot Plots Line Graphs Scatter (x,y) Plots Pictographs Histograms Frequency Distribution Stem and Leaf Plots Cumulative Tables and Graphs Graph Paper Maker

## Surveys

 How to Do a Survey Survey Questions Showing the Results of a Survey Accuracy and Precision Activity: Asking Questions Activity: Improving Questions

# Probability and Statistics

## Measures of Central Value

 Finding a Central Value · Calculate the Mean Value and The Mean Machine · Find the Median Value · Find the Mode or Modal Value Activity: Averages Brain-Teaser Calculate the Mean from a Frequency Table Advanced: Mean, Median and Mode from Grouped Frequencies Weighted Mean

 The Range Quartiles and the Interquartile Range Percentiles Mean Deviation Standard Deviation Standard Deviation Calculator Standard Deviation Formulas

## Comparing Data

 Univariate and Bivariate Data Scatter (x,y) Plots Outliers Correlation

## Probability

 Probability The Probability Line The Spinner The Basic Counting Principle Relative Frequency Activities: Complement Probability: Types of Events Independent Events Dependent Events: Conditional Probability Tree Diagrams Mutually Exclusive Events False Positives and False Negatives Shared Birthdays Combinations and Permutations Combinations and Permutations Calculator