Bozeman Science
Statistics for Science
Paul Andersen introduces science for the science classroom. He starts with a brief description of Big Data and why it is important that we prepare future scientists to deal intelligently with large amounts of data. He explains the...
Bozeman Science
Chi-squared Test
Paul Andersen shows you how to calculate the ch-squared value to test your null hypothesis. He explains the importance of the critical value and defines the degrees of freedom. He also leaves you with a problem related to the animal...
Khan Academy
Khan Academy: Statistics: Anova 2 Calculating Sum of Squares Within and Between
Video demonstrates how to calculate the sum of squares within and the sum of squares between. Discusses the relationship between the sum of squares within, the sum of squares between and the total sum of squares and the relationship...
Khan Academy
Khan Academy: Statistics: Small Sample Size Confidence Intervals
Video gives example of using a t-distribution when a small sample size is given. Example includes how to use a t-table to create a confidence interval for the population mean. [11:11]
Khan Academy
Khan Academy: Statistics: Chi Square Distribution Introduction
Video gives an introduction to what the chi-square distribution represents. Explains the effect of the degrees of freedom on the distribution and shows a graphical representation of the distribution with different degrees of freedom....