Part A: Sampling
Q1. What sampling plan did you employ to select your sample of 370 observations?
Q2. Suppose a student opinion survey is to be conducted in order to determine whether breakout rooms should be used during online Zoom classes. Use your own words and describe a possible way to obtain a stratified random sample among all students who are taking BUS1BAN during Semester 2, 2021.
Part B: Descriptive Statistics
Q3. Analysis on phone brand proportion:
a. In the following table, report proportion of the students based on mobile phone brands in your sample.
Phone Brand Sample Proportion (in percentage form)
Basic mobile phone
Do not use mobile phone
b. Use an appropriate chart (properly labelled) to display information in Q3-a above, and provide brief interpretation on the chart.
Q4. Investigating the relationship between mobile phone brands and student gender:
a. Complete the following cross classification table of gender by mobile phone brand.
Apple Samsung LG Basic
phone Do not