1. Suppose a researcher would like to study the attitudes of NSW residents to the government's COVIDSafe app. She would like to know the proportion of NSW residents who think that the app really helps in contact tracing. Suggest a sample data for this study. [Answer here) 2. Refer to Question 1 above. Suggest a data collection approach if secondary data is to be used. [Answer here] 1. Suppose a researcher would like to study the attitudes of NSW residents to the government's COVIDSafe app. She would like to know the proportion of NSW residents who think that the app really helps in contact tracing. Suggest a sample data for this study. [Answer here) 2. Refer to Question 1 above. Suggest a data collection approach if secondary data is to be used. [Answer here]