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29 Cards in this Set
- Front
- Back
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Median |
The middle number in numerical order of a data set |
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Variance |
The fact or quality of being different, divergent, or inconsistent |
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Statistical Significance |
The quality of being worthy of attention; importance
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Ratio Scale |
The type of variable measurement scale which is quantitative in nature |
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Discrete Data |
Information can be categorized and is based on counts |
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Z-Score |
A statistical measurement of a scores relationship to the mean in a group of scores |
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Normal Distribution |
A function that represents the distribution of many random variables as a symmetrical bell-shaped graph |
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Bar Graph |
A diagram in which the numerical values if variables are represented by the height or length of lines or rectangles of equal width |
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Statistic |
The practice or science of collecting and analyzing numerical data in large quantities |
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Histogram |
A diagram consisting of rectangles whose area is proportional to the frequency of a variable and whose width is equal to the class interval |
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Pie Chart |
A type of graph in which a circle is divided into sectors that each represent a proportion of the whole |
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Range |
The lowest and highest number's difference in a data set |
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Probability Value |
The probability of obtaining a statistic as different from or more different from the parameter specified in the hypothesis |
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Interval Scale |
Numerical scale in which numbers are assigned to the objects,, numerically equal distances on the scale represent equal distances between characteristics of the object being measured |
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Continuous Data |
Information that can be measured on a continuum |
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Scatter Plot |
Points which show the relationship between two sets of data |
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Frequency Polygon |
A graphical form of representation of data |
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Outlier |
A piece of data situated away from the rest |
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Ordinal Scale |
A scale that uses labels to classify cases into ordered classes |
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Mean |
Intend to convey, indicate, or refer to (a particular thing or notion); signify
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Meta Analysis |
Statistical procedure for combining data from multiple studies
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Data Set |
A collection of related sets of information that is composed of separate elements but can be manipulated as a unit by a computer
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Mode |
A way or manner in which something occurs or is experienced, expressed, or done
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Correlation Coefficient |
Measure how strong a relationship is between two variables
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Frequency Distribution |
Overview of all distinct values in some variable and the number of times they occur (Tells how frequencies are distributed over values)
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Nominal Scale |
Measurement scale, in which numbers serve as “tags” or “labels” only, to identify or classify an object
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Negative Skew |
A longer or fatter tail on the left side of the distribution
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Positive Skew |
A longer or fatter tail on the right side
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Inferential Statistics |
A random sample of data taken from a population to describe and make inferences about the population
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