A local search service company surveys on the number of service centres available in 3 major cities for different brands of automobiles with an objective to improve the services to its customers. The data on the 20 automobile brands and the number of service centres are given below:
a. How many automobile brands have centres between 20 and 29 in these 3 cities?
b. How many automobile brands have more than 40 centres in these cities?
Definitions:
Correlational Studies
Research methods that examine the relationship between two or more variables to determine if a correlation exists without implying causation.
Clinical Phenomena
Observable events or occurrences in healthcare that can be perceived and documented during clinical practice or research.
Prediction
The act of forecasting or estimating a future event or trend based on current or past data.
Explanation
The act or process of providing clarification, justification, or a reason for something.
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