SCENARIO 12-18 A Consulting Firm That Surveyed Consumers' Holiday Shopping Behavior Found

question 142

Short Answer

SCENARIO 12-18
A consulting firm that surveyed consumers' holiday shopping behavior found that the percentage of
consumers from the U.S., Canada, and China who said that they planned to spend more on holiday
shopping were 40%, 34% and 72%, respectively. Random samples of size 150 are selected from each
of the three countries.
You want to test for evidence of a difference among the proportions across the three countries using
the 0.05 level of significance.
-Referring to Scenario 12-18, what is the value of the critical range for the Marascuilo procedure
to test for the difference in proportions between U.S. and China using a 0.05 level of
significance?

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Definitions:

Production Possibilities

The various combinations of goods and services that can be produced from a fixed set of resources.

Circular-Flow Diagram

An economic model depicting how money, goods, and services move through an economy between households and firms.

Economy

An organized system of production, distribution, and consumption of goods and services within a specific geographical area, involving various agents and market forces.

Circular-Flow Diagram

A model that illustrates the flow of goods and services and money between households and businesses in an economy.