STRAIGHTERLINE INTRODUCTION TO STATISTICS EXAM |
VERIFIED QUESTIONS AND ANSWERS 2026 | GRADED A+
Question 1
Four steps in the process of statistics
Answer: 1. Producing Data, 2. Exploratory Data Analysis, 3.
Probability, 4. Inference
Question 2
Categorical variable
Answer: places individuals into one of several groups; two types:
nominal and ordinal
Question 3
Quantitative Variable
Answer: represents a measurement or a count; two types: interval
and ratio
Question 4
Nominal Variable
Answer: categorical variables where there is no natural order among
the categories
Question 5
Ordinal variable
Answer: categorical variables where there is natural order among the
categories
, Question 6
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 quantity
Question 7
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
Question 8
What type of variable?: eye color
Answer: nominal
Question 9
What type of variable?: socioeconomic status with categories low, med,
high
Answer: ordinal
Question 10
What type of variable?: Temperature
Answer: interval
Question 11
What type of variable?: Income
Answer: ratio
VERIFIED QUESTIONS AND ANSWERS 2026 | GRADED A+
Question 1
Four steps in the process of statistics
Answer: 1. Producing Data, 2. Exploratory Data Analysis, 3.
Probability, 4. Inference
Question 2
Categorical variable
Answer: places individuals into one of several groups; two types:
nominal and ordinal
Question 3
Quantitative Variable
Answer: represents a measurement or a count; two types: interval
and ratio
Question 4
Nominal Variable
Answer: categorical variables where there is no natural order among
the categories
Question 5
Ordinal variable
Answer: categorical variables where there is natural order among the
categories
, Question 6
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 quantity
Question 7
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
Question 8
What type of variable?: eye color
Answer: nominal
Question 9
What type of variable?: socioeconomic status with categories low, med,
high
Answer: ordinal
Question 10
What type of variable?: Temperature
Answer: interval
Question 11
What type of variable?: Income
Answer: ratio
