TABLE 8-6 After an Extensive Advertising Campaign, the Manager of a Company

question 63

True/False

TABLE 8-6
After an extensive advertising campaign, the manager of a company wants to estimate the proportion of potential customers that recognize a new product. She samples 120 potential consumers and finds that 54 recognize this product. She uses this sample information to obtain a 95% confidence interval that goes from 0.36 to 0.54.
-Referring to Table 8-6, the parameter of interest to the manager is the proportion of potential customers in this sample that recognize the new product.

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Definitions:

Null Hypotheses

A statement in statistical inference that proposes no significant difference or no effect, serving as the default assumption to be tested.

Alternative Hypothesis

A statement in hypothesis testing that proposes a significant difference or effect, contrasting the null hypothesis.

Average Amount

The sum of a collection of numbers divided by the count of numbers in the collection.

Sleep

A naturally recurring state of mind and body characterized by altered consciousness, relatively inhibited sensory activity, and inhibition of nearly all voluntary muscles.