AND VERIFIED ANSWERS GRADED A+
⩥ Categorical variable. Answer: places individuals into one of several
groups
Two types: nominal and ordinal
⩥ Quantitative Variable. Answer: represents a measurement or a count
Two types: Interval and ratio
⩥ Nominal Variable. Answer: categorical variables where there is no
natural order among the categories
⩥ Ordinal variable. Answer: categorical variables where there is natural
order among the categories
⩥ Interval Variable. Answer: a measurement or count for which it makes
sense to talk about the difference between values, but it does not make
sense to talk about the ratio between values; 0 does not represent the
absence of quanitity
⩥ Ratio Variable. Answer: quantitative variables for which it makes
sense to talk about the difference between values AND the ratio between
values; 0 represents the absence of quantity
, ⩥ What type of variable?:
eye color. Answer: nominal
⩥ What type of variable?:
socioeconomic status with categories low, med, high. Answer: Ordinal
⩥ What type of variable?:
Temperature. Answer: Interval
⩥ What type of variable?:
Income. Answer: Ratio
⩥ Visual display and numerical summary for a single categorical
variable. Answer: pie chart or bar chart
and category percentages
⩥ Visual display and numerical summary for a single quantitative
variable. Answer: histogram or stemplot
and descriptive statistics
⩥ Visual display and numerical summary for C->C. Answer: Two way
table and conditional percentages