Chapter 2 - Types of Data

Question 1

discrete vs continuous data

Answer 1

discrete: separate countable outcome (set number)
continuous: comes from continuum of of real values (e.g. time, height)

Question 2

frequency, relative frequency and cumulative relative frequency

Answer 2

F: count of characteristics
RF: percentage/sample proportion
CRF: running % of all info of a certain magnitude or less

Question 3

characteristics of a distribution

Answer 3

• UNI or BIMODAL: 1 vs two bumps
• Fat tails: lots of data on a tail
• symmetrical or skewed: skewed right (tail on right), or left (tail on left)