Parking at a university has become a problem. University administrators are inte
ID: 3301619 • Letter: P
Question
Parking at a university has become a problem. University administrators are interested in determining the mean time it takes students to find a parking spot. They randomly select every 20th student car coming onto campus. The time to find a parking place was recorded for each of the 150 chosen student cars. a. Identify the following in words in context to this problem. DO NOT USE SYMBOLS. Sample: Individual: Variable for which data were collected from each individual: Statistic that will be used: b. What type of sampling was used to collect the data?
Explanation / Answer
Sample: List of time taken to park a car in parking slot
Individual: student cars
Variable for which data were collected is the time it takes students to find a parking spot.
Statistics that will be used : mean (mu) and standard deviation (sigma)
Systematic sampling is a type of probability sampling method in which sample members from a larger population are selected according to a random starting point and a fixed periodic interval.
Hence this is systemic sampling methodology.