________ Is a Type of Study in Which Two Groups

question 47

Multiple Choice

________ is a type of study in which two groups of people are identified, one with an exposure of interest and another without the exposure. The two groups are followed forward to determine whether the outcome of interest occurs. Groups are defined based on whether they have had an exposure to a particular risk factor.

• A) Case control research
• B) Focus group research
• C) Cohort research
• D) Outcome research

Conduct hypothesis testing for the difference between two proportions.

Understand the concept of p-value in the context of hypothesis testing.

Apply the standard deviation formula for the difference between two independent random variables.

Recognize the application of confidence intervals and hypothesis testing in real-world scenarios.

---

Definitions:

Current Draw

The amount of electrical current consumed by an electrical device while in operation, measured in amperes.

Warranty

A guarantee given to the purchaser by a manufacturer regarding the condition of its product and the promise to repair or replace it within a specified period of time.

OEM

Original Equipment Manufacturer; a company that produces parts and equipment that may be marketed by another manufacturer.

No-crank Condition

A situation where an engine does not turn over or crank when the ignition key is turned, indicating a failure in the starting system.