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# Graphs and rationale

A research team conducted a study of soft- drink preferences among residents in a test market prior to an advertising campaign for a new cola product. Of the participants, 130 are teenagers and 130 are adults. The researchers secured the following results:

Soft-drink..............Cola..............Non-cola
Teenagers.............50....................80

-Perform a chi-square test by applying the 6 steps in of research hypothesis testing.

Step 1:
Step 2:
Step 3:
Step 4:
Step 5:
Step 6:

-Interpret the results in layman's terms that a non-statistician would understand.
-How might the results obtained from the test affect the advertising strategy?

#### Solution Preview

Hi there,

Thanks for letting me work on your post. Here is my explanation:

Step 1:
the independent variables are 130 teenagers and 130 adults. The dependent variables are non-cola and cola.

Step 2:
Null hypothesis: there is no association between age (adults versus teenagers) and ...

#### Solution Summary

The graphs and rationales for research teams are examined.

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