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The owner of a car dealership planned to develop strategies to increase sales. He hoped to learn the reasons why many people who visit his car lot do not eventually buy a car from him. For one
Month he asked his sales staff to keep a list of the names and addresses of everyone who came in to test drive a car. At the end of the month he sent surveys to the people who did not buy the car, asking them why. About one third of them returned the survey, with 44% of those indicating that they found a lower price elsewhere. Which is true?
I. The population of interest is all potential car buyers. II. This survey design suffered from non-response bias.
III. Because it comes from a sample 44% is a parameter, not a statistic.
Withdrawals
The act of removing something from a place or instance of no longer participating or being involved in something.
Sampling Distribution
The probability distribution of a statistic (such as the mean or proportion) obtained through repeated sampling from a population.
Fair 6-sided Dice
A cube-shaped object with six faces, where each face shows a different number of dots from 1 to 6, designed to give an equal probability of landing on any face when thrown.
Histogram
A graphical representation of the distribution of numerical data, where the data is divided into bins and represented by bars.
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