Statistics and Data Analysis

Guess these terms and concepts in quantitative data analysis.

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Last updated: February 5, 2019

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Hint	Answer
The average value in a data set	Mean
Greek letter symbolizing the above	Mu
The most frequent value in a data set	Mode
The value of the 50th percentile in a data set	Median
An unusually large or small value	Outlier
Measure of variation of a set of data values	Standard deviation
Greek letter symbolizing the above	Sigma
Measure of the degree of asymmetry around the mean of a data distribution	Skewness
Each 25% of a data distribution	Quartile
Examines the size of the peak and the tails of a data distribution	Kurtosis
A subset of data taken from a population	Sample
Assumption about the relation among error terms in statistical analysis	Independence
A parameter of association between two variables	Correlation
Data distribution that is bell-shaped	Normal
Data distribution with two peaks	Bimodal
Letter used to denote standard/normalized scores	z
Band of variation around a parameter estimate	Confidence Interval
Unexplained variance in a regression equation	Error
The hypothesis to be rejected in a statistical test	Null hypothesis
Indicator of statistical significance of a test	p-value

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