stats Flashcards

definitions and examples

1
Q

variable

A

actual numerical description of sample data, aka just a number

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2
Q

population

A

science of gathering, describing, and analyzing data

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3
Q

cenus

A

a study in which data are obtained from every member of the population

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3
Q

data

A

a count, measurements, observations about a specific variable in a population in order for it to studied.

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4
Q

parameter

A

a numerical description of a population description

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5
Q

sample

A

is a subset of population, from which data are collected, aka the part of data in population that will be studied.

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6
Q

sample statistic

A

numerical description of sample characteristics

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7
Q
A
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7
Q
A
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8
Q

descriptive statistics

A

gathers, sorts, summarizes, displays, data,
**note: states things are as facts, no assumption are made

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9
Q

inferential statistics

A

using descriptive statistics to estimate population parameter
**notes interprets the data, used in parameter

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