From 992a61b23a57be0253a96cad86dd0252981cf469 Mon Sep 17 00:00:00 2001 From: Dmitri Soshnikov Date: Tue, 24 Aug 2021 17:12:09 +0300 Subject: [PATCH] Add conclusion --- 1-Introduction/04-stats-and-probability/README.md | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/1-Introduction/04-stats-and-probability/README.md b/1-Introduction/04-stats-and-probability/README.md index 54d1aa5..de80641 100644 --- a/1-Introduction/04-stats-and-probability/README.md +++ b/1-Introduction/04-stats-and-probability/README.md @@ -179,7 +179,7 @@ P-value: 9.137321189738925e-12 ``` In our case, p-value is very low, meaning that there is strong evidence supporting that first basemen are taller. -> **Challenge**: Use the sample code in the notebook to test other hypothesis that: (1) First basemen and older that second basemen; (2) First basemen and taller than third basemen; (3) Shortstops are taller than second basemen +> 🚀 **Challenge**: Use the sample code in the notebook to test other hypothesis that: (1) First basemen and older that second basemen; (2) First basemen and taller than third basemen; (3) Shortstops are taller than second basemen There are also different other types of hypothesis that we might want to test, for example: * To prove that a given sample follows some distribution. In our case we have assumed that heights are normally distributed, but that needs formal statistical verification. @@ -222,8 +222,17 @@ In our case, the value 0.53 indicates that there is some correlation between wei > More examples of correlation and covariance can be found in [accompanying notebook](notebook.ipynb). -## 🚀 Challenge +## Conclusion +In this section, we have learnt: + +* basic statistical properties of data, such as mean, variance, mode and quartiles +* different distributions of random variables, including normal distribution +* how to find correlation between different properties +* how to use sound apparatus of math and statistics in order to prove some hypotheses, +* how to compute confidence intervals for random variable given data sample + +While this is definitely not exhaustive list of topics that exist within probability and statistics, it should be enough to give you a good start into this course. ## Post-Lecture Quiz @@ -240,3 +249,4 @@ Probability and statistics is such a broad topic that it deserves its own course ## Assignment [Small Diabetes Study](assignment.md) +