quiz 1 terminology

Question 1

sample

Answer 1

subset of measurements selected from the population of interest

Question 2

population

Answer 2

set of all measurements of interest to the investigator

Question 3

univariate data
bivariate data
multivariate data

Answer 3

• one variable is measured
• two variables are measured
• ## three variables are measured= on a single experimental unit

Question 4

quantitative variables

Answer 4

discrete- can only assume only a finite or countable number of variables

continuous- assume the infinitely many values corresponding to the points on a line interval

Question 5

skewed left/right

Answer 5

skewed right: low data on the right

skewed left: low data on the left