Examlex
The viewing format ratio of 4:3 is also known as "widescreen".
Population Proportion
The fraction or percentage of a population that possesses a specified characteristic or attribute.
Hypothesis Test
A method in statistics that employs data from a subset to assess a presumption about a parameter of the whole population.
Z Test Statistic
A statistic that measures the number of standard deviations a data point is from the mean, used in hypothesis testing for population means.
Sample Proportion
Sample proportion refers to the fraction or percentage of the sample that exhibits a particular trait or characteristic of interest.
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