.. title: Engineering Probability Class 24 Mon 2021-04-26
.. slug: class24
.. date: 2021-04-26
.. tags: class
.. link: 
.. description: 
.. type: text
.. has_math: true

.. sectnum::
.. contents:: Table of contents
..

More counterintuitive stats
---------------------------

from current events.

Last year the number of deaths in the US increased by 15% from the year before.

Does that mean that life expectancy decreased by 15%?



Videos
------

We'll watch a few in class today from https://www.youtube.com/playlist?list=PLuh62Q4Sv7BXkeKW4J_2WQBlYhKs_k-pj ::

   Time, number, title
   9:57,	69, Significance Testing
   9:34,	70, Hypothesis Testing
   7:05,	71, A Hypothesis Testing Example



Research By Design videos
=========================

We'll watch a few.

#. 10-1 Guinness, Student, and the History of t Tests (16:58) https://www.youtube.com/watch?v=bqfcFCjaE1c

#. 12-2 ANOVA – Variance Between and Within (12:51)
   https://www.youtube.com/watch?v=fK_l63PJ7Og
   
#. 15-1 Why Non Parametric Statistics? (6.52)
   https://www.youtube.com/watch?v=xA0QcbNxENs

#. Regression: Crash Course Statistics #32 (12:40)
   https://www.youtube.com/watch?v=WWqE7YHR4Jc

#. Regression: Crash Course Statistics #32 (12:40)
   https://www.youtube.com/watch?v=WWqE7YHR4Jc