Identify the type of error in each scenario. a. During the third week of classes
ID: 3200324 • Letter: I
Question
Identify the type of error in each scenario. a. During the third week of classes, Pitt becomes interested in how well freshmen are making the transition from high school to college. The university takes a random sample of only students who live on campus and slides a survey underneath the door to their dorm room. Those who received the survey were required to complete it and turn it in before leaving the building the next day. An amusement park is conducting a survey to learn the types of rides that people favor. They plan to give out the survey to every fifth person who comes through the gates, but half of those people chosen ignore the person distributing the survey and continue walking. A survey asks for a respondent's marital status, but does not include "Widowed" as a possible response. Those people responding who were widowed were forced to answer "Single", even though this was incorrect. You are interested in finding out what brand of ice cream is the most popular. You go to the supermarket everyday on Monday through Friday from 10 AM until 2 PM and sample every tenth person who enters the store.Explanation / Answer
1)
The error in this situation is a non-sampling error.
Since the university taken random sample from the students who are lived in the university campus only, but the students are more came from the outside. The university is fully depending on the some students and the make a judgment based on these answers.
2)
The error in this situation is sampling error.
Since the amusement park is considering a sample from the people who are come for the walking into the park and the respondent is the every fifth person come from the gate.
The park is ignoring most of the people who are come for the walking. In this way, the most people are not willing to participate the survey.
3)
Sampling error, since it is rectifiable
4)
Non-Sampling error
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