Statistics 1.1

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10 Terms

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Population

Every member of a group

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Sample

A subset of the population

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What is used to estimate Parameters?

A Statistic

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Variable

Denoted by Capital Letters(X). Characteristic/Measurement that can be determined for each member of the population.

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X

The height of the student in MATH 1401 D

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x

[4ft,7ft]

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Numerical Variable(Height)/Quantitative

Take on values with equal units

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Categorical(Eye color)/Qualitative

Places person or thing into category

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Data

Actual values of variable can be numbers or words. 1 Data point called Datum

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Statistic

S number that represents a property of a sample.