Kit Kat candy bar executives' ability to make the following statement, "Our most likely estimate of Kit Kat's ad recall rate is 65%. In addition, we are 95% confident that Kit Kat's ad recall rate in the population falls between 62% and 68%," illustrates ___________.
an example of basic descriptive statistics
an example of using statistical inference to estimate a population parameter based upon sample statistics
an example of using statistical inference to estimate a statistic based upon a population parameter
an example of hypothesis testing
Both a and b