Suppose that a random sample of 550 new car owners found that 38 percent of them were aware of a particular brand of tires that your company sells.If you are willing to accept less than a 5 percent chance of error that the true awareness rate of your company's brand of tire across all new car owners is less than 0.45,which statistical technique should you use from this data?
A)Test for a single proportion
B)Test of two means when samples are independent.
C)Test for a single mean.
D)Test of two means when samples are dependent.
E)ANOVA

Question

Quizplus · Accepted Answer

The question asks about testing a single proportion. Therefore, the appropriate statistical technique is a test for a single proportion, which will allow us to determine if the true awareness rate of the company's brand of tire is less than 0.45 with a level of significance less than 0.05.

Suppose That a Random Sample of 550 New Car Owners