If the P value is less than 5%, reject the null hypothesis; if the P value is .05 or more, don't reject the null hypothesis. Statistics textbooks -- and statisticians for that matter -- focus almost ...

Describe what it means to "reject the null hypothesis" and how it is related to p-value. Identify examples of null and alternative hypotheses, including one-tail and two-tail tests. There is no ...

This two-class course will focus on developing theoretical and practical skills for null hypothesis testing in R. The course will begin with a brief overview of statistics and go on to cover different ...

The null hypothesis is an essential concept in statistical analysis and hypothesis testing, often denoted as H0. The null hypothesis states that there is no significant difference between the ...

Objection: Natural variability is the null hypothesis; there must be compelling evidence of an anthropogenic CO2 warming effect before we take it seriously. Answer: The null hypothesis is a ...