Statistics

Recent Episodes

14.Empirical rule and Chebyshev's inequality(Lesson4)

Posted October 13, 2022 • 00:20:58

In this video I explain the difference between Chebyshev's inequality and the Empirical rule for bell shaped data.

11.Z scores, percentiles, boxplots(lesson 5)

Posted October 11, 2022 • 00:23:18

In this lesson we will explore the definiton of a z score and how that relates to percentile rank. We will also explore a data set to see if there are...

09.Descriptive statistics:Measures of central tendency and dispersion (by hand using formulas)

Posted October 4, 2022 • 00:24:16

In this video, which is a clip from a LIVE classroom, I review how to find variance and standard deviation by hand and also go over the mathematical...

08.Descriptive statistics using excel

Posted October 4, 2022 • 00:02:17

In this video I show how to retrieve mean, median, mode and standard deviation at the touch of a button using excel(with megastat add in). We take a...

07.Mean,Median,Mode, and Standard deviation(Lesson3)

Posted October 4, 2022 • 00:19:46

In this video we discuss the meaning of various numerical summaries such as mean, median , mode, standard deviation, and variance. I also demonstrate...