Causality and Hypothesis Exercises As a result of numerous random traffic stops

Question

Causality and Hypothesis Exercises

As a result of numerous random traffic stops conducted by sheriff deputies, Sheriff Mack Wright has found that close to half of the county’s residents stopped are operating motor vehicles without current inspection stickers. Sheriff Wright decides to launch an aggressive public relations campaign threatening to crack down. Identify the management problem (i.e. dependent variable) and identify the independent variable. Next, offer a hypothesis of how the independent variable might impact the management problem (i.e., dependent variable).

Explanation / Answer

Solution:

The management problem is the absence of inspection stickers. The drivers who have operating motor vehicles but don't have a valid inspection sticker is the management problem. It is dependent variable and its dependent on how many vehicles are stopped by the sheriff. So the number of Vehicles stopped by the sheriff is the independent variable.

The hypothesis can be designed as follows:

H0: Number of vehicles not having valid inspection stickers is close to half of the number of traffic stops.

H1: Number of vehicles not having valid inspection stickers is not equal to half of the number of traffic stops.

or H1: Number of vehicles not having valid inspection stickers is less than half of the number of traffic stops.

or H1: Number of vehicles not having valid inspection stickers is more than half of the number of traffic stops.

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