Mean
Understanding the
Mean
Median
Mode
Salinity Exercise
Statistics and Parameters
Process Variation
Frequency Histograms
Creating Histograms
Histograms in Excel
Excel Chart
Histogram Exercise
Variance
Understanding Variance
Standard Deviation
Standard Deviation
Exercise
Introduction to
Statistics Exercises
::
THE NORMAL
DISTRIBUTION
The
Vials Filling Simulation
The Histograms
Calculating Proportions
The Continuous Distribution
Normal Distribution
Calculating Area
Using Tables
The Normal Distribution Calculator
Why Normal
Descriptive and Inferential
Statistics
Normal Distribution
Exercises
::
REPRESENTING
DATA
XY Graphs
The Regression Equation
Scatter Graphs
Correlation
Regression with
Excel
Box Plots
Calculating the
Quartiles
Box Plots for Comparison
Grouped Data
Cumulative Frequency
Percentiles
Pareto Charts
Stem and Leaf Plots
Multi-Vari Charts
Multi-Vari Chart
Examples
Exercises
::
TESTING
FOR NORMALITY
Testing for Normality
The Normal Probability
Plot
How Normal Probability
Plots Work
Using z-scores
The Probability
Plot
Normal Probability
Plot of Non-Normal
Data
Points off the Distribution
Creating Normal
Probability Plots
Using Minitab
Testing for Normality
Exercise
::
HYPOTHESIS
TESTING
The Testing Process
Sample Averages
Confidence Intervals
Hypothesis Tests
The Null Hypothesis
The p-Value
Interpreting the Test
Results
One & Two sided
Tests
Exercises
Using 'z' values
Type I & II Errors
and Power
Deciding on the Sample
Size
Other Types of Hypothesis
Test
Exercises
