1.3.1 Of the following scenarios, which survey results are likely to be most statistically significant and which are likely to be least statistically significant. Explain your answer.

Scenario 1: 1000 students are surveyed after completing 6 months of a basic French language course, to see if they have learnt to use prepositions in French.

Scenario 2: 50 businessmen are surveyed to see whether their marketing skills have improved after attending a week long seminar on innovative techniques of marketing.

Scenario 3: 700 workers who have been working since 30 years in Cashew industry and shell the cashew nuts by hand are surveyed for a study to determine if it has led to a medical diagnosis of dermatitis, that is, a skin problem.

Scenario 4: In a study to see if Coldplay’s fans are willing to pay more than Metallica’s fans, 20 of their respective fans are surveyed before they enter their concerts.