Degrees of Freedom

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 of300 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 couldidentify the product was recorded.

Referring to Table, the degrees of freedom of the test statistic are

Male Celebrity Female Celebrity
Indentified Product 41 61
Could Not Identify 109 89


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