Statistic
Card Set Information
Author:
ou25
ID:
34685
Filename:
Statistic
Updated:
2010-09-14 15:18:12
Tags:
stats
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Description:
stats 2550
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What is statistics?
the science of collecting , classifying, presenting, and interpreting numerical data
Data
The set of values collected for the variable from each of the elements belonging to the sample
Population
a collection of individuals, or measurements whose properties are to be analyzed
Sample
a subset or portion of a population
Experiment
a planned activity whose results produce a set of data
Quantitive Data
The responses that are measured on numerical scale
Qualitative Data
The responses that cannot be measured on numerical scale. They can be classified into categories
Parameter
a numerical characteristic of an entire population
Statistic
a numerical characteristic of a sample
Statistical Inference
It is an estimate, prediction, or conclusion about a population, based on information obtained from a sample
Measure of Reliability
It is a statement about the degree of uncertainty associated with statistical inference or conclusion