STA 100 Types of data

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11 Terms

1
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Range

max - min

2
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IQR

Q3 - Q1, middle 50% of the data

3
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frequency

number

4
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relative frequency

decimal

5
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RV

random variable, result of a process, unknown until measured

6
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numeric

naturaly measured as numbers

7
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numeric continous

can take on any value, ex infinite numbers are between 1 and 2n

8
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numeric discrete

numbers with natural gaps between them, ex intergers

also can be decimals, ex size of a car engine goes from 2.5L to 3.1L

9
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catagorical

naturally labeled as groups, factors, or levels

10
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categorical nominal

no order in groups, can be rearaged and still mean/ show same thing. ex red blue yellow, round square spikey

11
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categorical ordinal

has natural order or ranking

ex S M L,