Instruction 8-7 After an Extensive Advertising Campaign,the Manager of a Company Wants

question 159

True/False

Instruction 8-7
After an extensive advertising campaign,the manager of a company wants to estimate the proportion of potential customers that recognise a new product.She samples 120 potential consumers and finds that 54 recognise this product.She uses this sample information to obtain a 95% confidence interval that goes from 0.36 to 0.54.
-Referring to Instruction 8-7,it is possible that the true proportion of people that recognise the product is between 0.36 and 0.54.

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Definitions:

Extraneous Factors

Variables that affect the outcome of an experiment, though they are not the variables being studied.

Quantitative Populations

Groups or sets of entities or individuals that can be measured numerically, focusing on measurable quantities over qualitative attributes.

Average Crop Yield

The mean quantity of a crop produced per unit area over a specified period or season.

One-way ANOVA

A statistical method used to compare the means of three or more independent groups on a single variable to see if they are significantly different.