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Use Cramer's Rule to solve the system.
Interrupted Time Series Design
A quasi-experimental design in which observations are made over time both before and after an intervention.
Quasi-experimental Design
An empirical study used to estimate the causal impact of an intervention, lacking random assignment.
Hamburgers Sold
A numerical measure representing the quantity of hamburgers sold within a specific time frame, often used in business and marketing research.
Sequential Method
A combination of the cross-sectional and longitudinal design to study developmental research questions.
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