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You are a brand manager for a major retailer and you just completed developing a series of advertisements with the help of your outside ad agency. You are excited about the ads and you are anxious the get the marketing vice president's opinion of the ads. Unfortunately, the vice president does not believe the ads will be effective. She wants you to do some type of effectiveness evaluation of the ads before the company spends a lot of money running them.Which of following evaluation techniques should you use?
Critical Value
The threshold or point on the test distribution that is compared with the test statistic to determine whether to reject the null hypothesis.
T Value
A statistic used in hypothesis testing to determine if there is a significant difference between two groups.
Test Statistic
A value calculated from sample data that is used in a hypothesis test to determine whether to reject the null hypothesis.
Degrees Of Freedom
The number of independent values or quantities which can be assigned to a statistical distribution or calculation.
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