4 Questions
What is a confidence interval?
A confidence interval is a range of values within which we are reasonably confident that the true population parameter lies.
What are the two branches of statistics?
Descriptive statistics and inferential statistics
Define point estimation.
Point estimation involves using a single value (a point) to estimate an unknown parameter of the population.
What is the null hypothesis? Provide an example.
The null hypothesis is a statement that there is no effect or no difference. For example, 'There is no difference in the mean scores of two groups.'
Test your knowledge of statistical inference and hypothesis testing with this quiz. Questions cover topics such as estimators, confidence intervals, null and alternative hypotheses, critical regions, and type I errors.
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