Question: 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

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 the recent months and to complete the table below. 30 GB | 50 GB 1 20 GBI 5 GET & GET TO GB | 40 GB 20 GB | 20 GB GB 70 GB GO GE GB T 15 GB 25 GB | 11.8 GB GE GB 15 GB GB GB 30 GB GE 25 GB GB GB 25 GB 40 GE 80 GB GB 12 GB GE By calculator, 28.18 GB/gth/subscriber ; and 5 23.0023 GBig-th/subscriber Assumptions for using z-test: 1. Randomly select one sample 2. The dependent variable is at least approximately normally distributed in the population and involves an interval or ratio scale 3. _The mean of the population of raw scores under another condition of the independent variable 4. The true standard deviation of the population described by null hypothesis Test statistic !- 3.707 5 Step 4: Making decision and conclusion (8 marks)

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