Stats 201 Exam 1
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34 Terms
Histogram
Univariate quantitative
Box Plot
Univariate quantitative
Stem + Leaf
Univariate quantitative
Dot Plot
Univariate quantitative
Bar Chart
Univariate categorical
Pie Chart
Univariate categorical
Pareto Chart
Univariate categorical
Frequency Chart
Univariate categorical
Ring Chart
Univariate categorical
Scatterplot
Bivariate quantitative
Time Plot
Bivariate quantitative
Quantitative
Actual real numbers
Continuous
Can have decimal places - quant
Discrete
Whole numbers - quant
Categorical
Put things into groups
Nominal
No order - cat
Ordinal
Order to them - cat
Identifier
Identifies and will not ever repeat
Range
max - min
IQR
Middle 50%, Q3-Q1, measures spread
Mean
average and measures spread
Standard Deviation
Masure of spread
Mean and Standard Deviation
Used for normal data
Median
Measures center
Median and IQR
Used for skewed data
5 Number Summary
Min, Q1, Median, Q3, Max
Parameter
The thing you’re trying to understand about a population
Sample
Small, random, diverse group to collect info from
Side-by-Side Box Plot
Variable 1 (y) Quantitative, Variable 2 (x) Categorical
Stacked Histogram
Variable 1 (y) Quantitative, Variable 2 (x) Categorical
Mosaic Plot
Bivariate Categorical
Contingency Table
Bivariate Categorical
Stacked Bar Charts
Bivariate Categorical
Side-by-Side Pie Chart
Bivariate Categorical