Why is it so cold, if the planet has higher mean temperature?

January 30, 2019 – 6:09 pm
By Dr. Brenda Masters | Posted in Exams | Comments Off on Why is it so cold, if the planet has higher mean temperature?

Standard Deviation and intervals around the mean

January 24, 2019 – 8:45 am

https://www.google.com/search?q=standard+deviation&tbm=isch&source=univ&client=firefox-b-1&sa=X&ved=2ahUKEwjYu7Tb04bgAhVReKwKHbatAiMQiR56BAgEEBE&biw=1149&bih=602

By Dr. Brenda Masters | Posted in Exams | Comments Off on Standard Deviation and intervals around the mean

Mean versus Median

January 21, 2019 – 1:39 pm

https://math.stackexchange.com/questions/3011870/mean-vs-median-geometric-interpretation

https://math.stackexchange.com/questions/947992/where-should-i-use-median-instead-of-average

By Dr. Brenda Masters | Posted in Exams | Comments Off on Mean versus Median

When should the null hypothesis be rejected?

November 2, 2018 – 8:25 am

How do we know when to reject the null hypothesis and claim the alternative hypothesis is true?  Here are some FAQ‘s about the rejection decision that describe some ideas about Rejection Regions and also the P-value of hypothesis test. Rejection Region and P-value

By Dr. Brenda Masters | Posted in Exams | Comments Off on When should the null hypothesis be rejected?

Notes on Lesson 18, Linear Regression

May 1, 2018 – 10:05 am

Here are some Notes on Lesson 18, Linear Regression.

 

By Dr. Brenda Masters | Posted in Exams | Comments Off on Notes on Lesson 18, Linear Regression