Examlex
The central limit theorem states that if the sample size, n, is large enough (n ≥20), the distribution of the sample means is normally distributed regardless of the shape of the population.
Seasonal Indexes
Quantitative measures that adjust data for recurring seasonal effects to better understand underlying trends.
Motor Oil Sales
The volume or amount of motor oil sold within a specific period.
Centered Moving Averages
A method used in time series analysis to smooth out short-term fluctuations and highlight longer-term trends or cycles by averaging data points in the middle of a set time window.
Quarterly Sales
The total sales revenue generated by a company or entity within a three-month period.
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