Refer to the information provided in Scenario 21.6 below to answer the questions that follow.
SCENARIO 21.6: Following is information pertaining to four surveys:
Survey 1: 50 pre-law students at Vanderbilt University are surveyed for a study to see if taking an LSAT preparation course was effective in improving their chance of being admitted to law school.
Survey 2: 600 newly hired Houston-area elementary school teachers are surveyed for a study to determine how much salary they were willing to sacrifice to get a job teaching in a school with a high-quality reputation.
Survey 3: 950 people are surveyed 6 months after buying a new car for a study to see how satisfied they are with their purchase.
Survey 4: 75 people are surveyed in front of 5 different casinos on the Las Vegas Strip fo a study to determine the average daily gambling budget of a Las Vegas visitor.
-Refer to Scenario 21.6. Of the four surveys, which is likely to be the least statistically significant?

Question

Quizplus · Accepted Answer

Survey 4 is likely to be the least statistically significant due to the small sample size (75 people) and the non-random sampling method (surveying in front of only 5 casinos), which may not accurately represent the entire population of Las Vegas visitors.

Refer to the Information Provided in Scenario 21