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Statistics
UVU Statistics
23
Other
Undergraduate 3
02/07/2012

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Cards

Term
Qualitative
Definition
Eye color, birth month, gender
Term
Quantitative
Definition
Random #, weight, height
Term
Discrete Data
Definition
You know where one catagory stops and another starts
Term
Continuous data
Definition
No clear divider
Term
Descriptive statistics
Definition
methods of organizing data
Term
Inferential statistics
Definition
prediction or generalization about a sample population
Term
Population
Definition
ALL possible variables
Term
Sample
Definition
Portion of variables
Term
Nominal Level
Definition
data that is classified into catagories and cannot be arranged in any particular order, (eye color, gender, religion)
Term
Interval level
Definition
data arranged in some order, meaningful data between data (temperature)
Term
Ordinal Level
Definition
data arranged in some order, (ranking of soft drink taste)
Term
Ratio Level
Definition
Interval level with an inherent zero starting point. (monthly income)
Term
Arithmetic Mean
Definition
Summing the values and dividing by # of values
Term
Median
Definition
The midpoint when values are put in order
Term
Mode
Definition
Observation that appears most frequently
Term
Dispertion
Definition
Spread of the data
Term
Range
Definition
Largest Value-Smallest Value
Term
Dot plot
Definition
Small data amounts (like a bar graph)
Term
Stem and Leaf
Definition
Quantitative in condensed form
Term
Box plot
Definition
based on quartiles. Must have min, q1, median, q3 and max
Term
skewdness
Definition
-3 to 3
Term
bivariate
Definition
relationship between 2 variables
Term
scatter diagram
Definition
used to display relationship between two variables (bivariate)
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