Example: One Sample t-Test
[This article was first published on ALSTAT R Blog, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here)
Want to share your content on R-bloggers? click here if you have a blog, or here if you don't.
Want to share your content on R-bloggers? click here if you have a blog, or here if you don't.
Using the stack loss dataset, test the hypothesis that the mean of the stackloss is equal to 20 versus a two-sided alternative.
Solution:
Codes:
Interpretation: With the p-value greater than the level of significance alpha at 0.05, then we lack the evidence to reject the null hypothesis. And thus, the true mean is equal to 20.
To leave a comment for the author, please follow the link and comment on their blog: ALSTAT R Blog.
R-bloggers.com offers daily e-mail updates about R news and tutorials about learning R and many other topics. Click here if you're looking to post or find an R/data-science job.
Want to share your content on R-bloggers? click here if you have a blog, or here if you don't.