Miscellaneous
What are outliers, and how do they affect the measures of central tendency?
Miscellaneous
How do you interpret a box plot? What information does it provide?
Miscellaneous
Explain the difference between qualitative and quantitative data with examples.
Miscellaneous
Explain the difference between qualitative and quantitative data with examples.
Hypothesis testing
What is Type I and Type II error in hypothesis testing?
Hypothesis testing
Define a null hypothesis and an alternative hypothesis. Give an example of each.
Correlation
Explain how to calculate the correlation coefficient using the formula.
Correlation
What is a scatter plot? How can it be used to determine the relationship between two variables?
Sampling methods
Describe stratified sampling and provide an example.
Sampling methods
Differentiate between probability sampling and non-probability sampling.
