Definitions Flashcards

1
Q

Statistics

A

is the science of:
Collection
Organization
Summarization
Analyzation
Conclusion/Question

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2
Q

Sample vs population

A

Subset of a population;
Total individual/observation which the information is desired

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3
Q

Statistic vs parameter

A

Numerical summary of the sample;
Numerical summary of the population

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4
Q

Descriptive vs Inferential statistics

A

Organization and
Summarization of data;
Result of sample,
Extend to population,
Reliability measurement

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5
Q

Process of Statistics

A
  1. Identify research objective
  2. Collect information needed to answer question
  3. Organize and Summarize
  4. Draw conclusion
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6
Q

Qualitative vs quantitative variables

A

Categorical, class or category;
Numerical, amount or quantity

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7
Q

Discrete vs continuous variables

A

Both quantitative

Finite, countable;
Infinite, measurable

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8
Q

Level of measurements of a variable:
Nominal < Ordinal < Interval < Ratio

A

Nominal vs Ordinal
Both qualitative
Categorical;
Ordered

Interval vs Ratio
Both quantitative
Specifies distance between interval (+,-);
A value of zero means absence (×,÷)

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9
Q

Sources of data
Primary vs secondary sources of data

A

Firsthand account, authoritative;
Analysis/interpretation of primary sources, persuasive

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