Examlex
A frequency distribution graph represents frequencies with vertical bars without space between them.What scale of measurement was used to measure the scores?
Standard Deviation
A measure that quantifies the amount of variation or dispersion of a set of data values from the mean.
Normal Probability Distribution
Also known as the Gaussian distribution, it's a bell-shaped curve that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean.
Random Variables
Variables whose values depend on outcomes of a stochastic (random) phenomenon.
Nature
The intrinsic physical and material world all around us, not made or caused by humankind.
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