Levels of measurement o What are they? o Can you define them or give examples? Qualitative vs quantitative, discrete vs continuous o What's the difference between the two? o Can you identify data as quantitative/qualitative/discrete/continuous? Explanatory vs response variable Types of observational studies o What are they? o Can you define them or give examples? Sampling methods o What are they? o Can you define them or give examples? Types of bias o What are they? o Can you define them or give examples? Frequency tables Relative frequency Cumulative frequency Types of graphs o What types of graphs have you learned about? o Which ones are used for quantitative vs qualitative data? Types of distributions o What are the types of distributions you learned about (in a histogram)? Measures of central tendency o What are they? o How are they calculated? o Do you use different ones depending on the shape of the distribution? o Which measure of central tendency goes with which distribution? Five number summary

o What does it consist of? o How is each part calculated/found? Boxplots o How do you make them? Range, IQR Variance, standard deviation Percentiles o What do percentiles mean in terms of your data/distribution? Z-scores o What are z-scores for? o How do you calculate them? Empirical rule o What is the empirical rule? o What percentages are associated with it? o When do you use it?