Step 3: Computing the sample data and the test statistics (8 marks) You need to collect data from at least 30 schoolmates on their actual mobile data usage in At the recent months and to complete the table below. 30 GB | 50 GB | 20 GB 5 GB 8 GB | 10 GB | 40 GB 20 GB | 26 GB | 15 GB | 70 GB | 80 GB | 30 GB | 15 GB 2.5 GB | 11.8 GB | 10 GB GB 8 38 10 G8 15 GB GB | 10 GB | 30 GB | 60 GB| 6 38 1 25 GB | 80 30 GB | 25 GB | 40 GB | 80 GB | 60 68 | 12 SB | 10 GB By calculator, T = GB/gith/subscriber ; and GB/gith/subscriber Assumptions for using z-test: Test statistic: =- J - A = Step 4: Making decision and conclusion (8 marks)Part 2: Marketing a Customised Mobile Plan to Polytechnic Students (15 marks] As part of your internship at a particular telco company. you GENERATION Z are required to customise and market a SIM-only mobile plan to our polytechnic students - the Generation Z Your marketing research will involve the following: the average monthly mobile data usage by our students (in Part 1); the expected monthly cost that our students are willing to pay: the current mobile plans available in the market, any other useful information to customise a SIM-only mobile plan for our students Step 1: Frequency Table & its Probability Distribution Monthly $10 $15 $20 $25 330 cost Frequency Probability Expected monthly cost = Step 2: Current SIM-only mobile plans available in the market Step 3: Any other useful information Step 4: Write up of the customised mobile plan for our students and justify your plan