In a Market Test of a New Chocolate Raspberry Coffee,a

question 85

Multiple Choice

In a market test of a new chocolate raspberry coffee,a poll of 400 people from Dobbs Ferry showed 250 preferred the new coffee. In Irvington,170 out of 350 people preferred the new coffee. To test the hypothesis that there is no difference in preferences between the two villages,what is the null hypothesis?

• A)H₀: π₁ < π₂
• B)H₀: π₁ > π₂
• C)H₀: π₁ = π₂
• D)H₀: π₁ ≠ π₂

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Definitions:

Causal Argument

An argument that claims something is (or is not) the cause of something else.

First Cause

A philosophical concept referring to the initial cause of a chain of events, often discussed in the context of the origin of the universe.

Controlled Experiment

An experiment in which all variables are kept constant except for the independent variable(s).

Control Group

In experimental research, a group of subjects that does not receive the experimental treatment and is used as a benchmark to measure the effects of the treatment.