SCENARIO 12-9 Many Companies Use Well-Known Celebrities as Spokespersons in Their TV

question 172

Multiple Choice

SCENARIO 12-9
Many companies use well-known celebrities as spokespersons in their TV advertisements.A study was conducted to determine whether brand awareness of female TV viewers and the gender of the spokesperson are independent.Each in a sample of 300 female TV viewers was asked to identify a product advertised by a celebrity spokesperson.The gender of the spokesperson and whether or not the viewer could identify the product was recorded.The numbers in each category are given below.

-Referring to Scenario 12-9,the degrees of freedom of the test statistic are

• A)1
• B)2
• C)4
• D)299

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Definitions:

Gamete

A mature sexual reproductive cell, such as a sperm or egg, that unites with another cell to form a new organism.

Allele

A variation of a gene that influences an individual’s characteristics.

Genes

Biological units of heredity located in DNA, responsible for governing traits and characteristics passed from parents to offspring.

Chromosome

One of 46 rod-like molecules that contain 23 pairs of DNA found in every body cell and collectively contain all of the genes.