Examlex
Explain why HID lighting is generally not used in residences.
Z-test
A statistical test used to determine if there is a significant difference between sample and population means under the assumption of a normal distribution.
Chi-square Goodness-of-fit
A statistical test to determine how well observed data fit an expected distribution, generally used for categorical data.
Chi-square Technique
A statistical test used to determine the difference between observed results and expected results in categorical datasets.
Qualitative Variables
Variables that express categorical properties or qualities such as gender, nationality, or brand preference, and are not numerical.
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