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

question 159

True/False

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, the null hypothesis will be rejected.

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Definitions:

Hybridized DNA Fragments

DNA pieces that have been joined from two different sources to examine genetic variations and functions.

General Population

The total group of individuals in a demographic area or of a particular demographic characteristic.

Percent

A part or other object per hundred, used in calculations to express proportions, fractions, or percentages.

Genes

Sequences of DNA or RNA that are located on chromosomes and that encode the instructions for synthesizing proteins, playing a crucial role in determining hereditary traits.