topic 9

Question 1

Univariate analysi

Answer 1

the analysis of a single variable for purposes of description. Ex. Frequency distributions, averages, and measures of dispersion

Question 2

Frequency distribution

Answer 2

a description of the number of time the various attributes of a variable are observed in a sample

Question 3

bivariate, multivariate

Answer 3

two, two or more

Question 4

mode

Answer 4

value that occurs most frequently, often used if a variable is measured on a
nominal or ordinal level, i.e. pie chart

Question 4

median

Answer 4

middle value of your observation when they are ordered from the smallest
to the largest

Question 5

mean

Answer 5

sum of all the values divided by the number of observations, more sensitive to
outliers!!