Introduction To Statistics Reviewed Exam Questions Wit
Correct Answers 100% Pass Guaranteed
Four steps in the process of statistics☑️Correct Ans-1. Producing Data
2. Exploratory Data Analysis
3. Probability
4. Inference
Introduction To Statistics Reviewed Exam Questions Wit
Correct Answers 100% Pass Guaranteed
Four steps in the process of statistics☑️Correct Ans-1. Producing Data
2. Exploratory Data Analysis
3. Probability
4. Inference
Categorical variable☑️Correct Ans-places individuals into one of several groups
Two types: nominal and ordinal
Quantitative Variable☑️Correct Ans-represents a measurement or a count
Two types: Interval and ratio
Nominal Variable☑️Correct Ans-categorical variables where there is no natural order among
the categories
Ordinal variable☑️Correct Ans-categorical variables where there is natural order among the
categories
Interval Variable☑️Correct Ans-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 Ans-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 Ans-nominal
What type of variable?:
socioeconomic status with categories low, med, high☑️Correct Ans-Ordinal
What type of variable?:
Temperature☑️Correct Ans-Interval
What type of variable?:
Income☑️Correct Ans-Ratio
Visual display and numerical summary for a single categorical variable☑️Correct Ans-pie chart
or bar chart
and category percentages
Visual display and numerical summary for a single quantitative variable☑️Correct Ans-
histogram or stemplot
and descriptive statistics
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