STRAIGHTERLINE INTRODUCTION TO STATISTICS EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+

STRAIGHTERLINE INTRODUCTION TO
STATISTICS EXAM | QUESTIONS &
ANSWERS (VERIFIED) | LATEST
UPDATE | GRADED A+




Four steps in the process of statistics

Correct Answer: 1. Producing Data

2. Exploratory Data Analysis

3. Probability

4. Inference



Categorical variable

Correct Answer: places individuals into one of several groups

Two types: nominal and ordinal



Quantitative Variable

Correct Answer: represents a measurement or a count

Two types: Interval and ratio



Nominal Variable




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, Correct Answer: categorical variables where there is no natural order among the

categories



Ordinal variable

Correct Answer: categorical variables where there is natural order among the

categories



Interval Variable

Correct 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

Correct 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

Correct Answer: nominal



What type of variable?:

socioeconomic status with categories low, med, high




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