Chi Square test for Goodness of Fit
R Programming Assignments for Example
Plotting and Descriptive Statistics Assignment: Linear Regression: Data Wrangling & Some Plotting Hypotheses Testing and More
P-value
also called – level of significance
Confidence Interval
Practice Questions – Hypothesis Testing for a Single Proportion
Question 1: A certain cell phone company believes that the proportion of customers they have among the population in a certain town is 33%. In order to test this, the company run a survey, of which 350 random respondents answered, and 126 respondents, confirmed having this brand. At 5% level Read more…
Hypothesis Testing
Hypothesis Testing – Z-test
Question 3: In a certain country it is known that the time it takes to feel better after a certain illness is normally distributed with a mean of 7 days, and a standard deviation of 1.55 days. A researcher reported that she treated 89 patients, and the average duration it Read more…