::  C O U R S E   M O D U L E S

:: INTRODUCTION TO STATISTICS   Objectives and Contents 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 :: REPRESENTING DATA   Objectives and Contents 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 Charts Examples Exercises :: THE NORMAL DISTRIBUTION   Objectives and Contents 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 :: TESTING FOR NORMALITY   Objectives and Contents Testing for Normality The Normal Probability Plot How Normal Probability Plots Works Using z-Scores The Probability Plot Normal Probability Plots of Non-Normal Data Points off the distribution Creating Normal Probability Plots Using Minitab Testing for Normality Exercise :: HYPOTHESIS TESTING   Objectives and Contents 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 Top