Examlex
To convert a percent to a decimal, drop the percent sign and move the decimal point two places to the left.
Confidence Interval
A range of values derived from sample data that is believed to contain the true population parameter with a certain level of confidence.
P-value
A statistical measure that helps in determining the significance of the results from a test, indicating the probability of observing results at least as extreme as those seen, under the assumption that the null hypothesis is true.
Chi-square Distribution
The Chi-square distribution is a probability distribution used in statistical significance tests, particularly suitable for categorical data.
Normal Distribution
A bell-shaped distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean.
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