Refer to the Information Provided in Scenario 36

Refer to the information provided in Scenario 36.6 below to answer the question(s) that follow.
SCENARIO 36.6: 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 36.6. Of the four surveys, which is likely to be the least statistically significant?

A) Survey 1
B) Survey 2
C) Survey 3
D) Survey 4