New Jersey City University

This website is designed to provide lessons for teachers who wish to apply statistics to their work. Please review the lessons below and feel free to contact us with any questions, comments or suggestions. apinderdarling@njcu.edu, msosa@njcu.edu, leonardsheehy@gmail.com

Descriptive Statistics

Mean - average value, Medium - middle value, Mode - most often occurring value.
Video explaining central tendency
Central tendency data set
Excel
Write up of central tendency

Range - the difference between upper and lower values on a particular scale.
Range lesson video
Range example data set
How to calculate range in SPSS
How to calculate range in Excel
Write up of range

Inferential Statistics

p value - the level of negligible significance within a statistical hypothesis test, representative of the probability of the occurrence of a given event.
Video explaining p-value terminology
p-value procedure table
p-value data set
p-value write up

t-test - summarizes data sets representing the entire population or a sample and measures central tendency, variability or dispersion.
Video explaining t-test for independent means
Video explaining t-test for dependent means
t-test data set
Video explaining how to perform independent t-test
t-Test write up

Chi-Square - (χ2) is a statistical test useful for groups of frequencies or counts to evaluate how likely it is that any observed difference between them was caused by chance. Chi-square is appropriate for unpaired data from large samples.
Chi-square lesson video
Chi-square assumptions
Data set
Chi-square calculation in SPSS video
Chi-square calculation in Excel video
Chi-Square calculation
Write up