Question: 12. This question is based on tutorial 1. The table below shows data on x. X 1 1 2 4 (a) Calculate the sample

12. This question is based on tutorial 1. The table below shows

12. This question is based on tutorial 1. The table below shows data on x. X 1 1 2 4 (a) Calculate the sample variance of x [6 marks] The sample variance of x is

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