HI6007 Statistics for Business Decisions - Tutorial Questions Assignment

Question 1: Week 2 Question 4 (7 Marks)

a. The following data shows the results for 20 students in one of the post graduate unit.

Based on the information given you are required to

1. Compute the mean, median and mode. (3 marks)
2. Compute the first and third quartiles. (1 mark)
3. Compute and interpret the 90th percentile. (1 mark)

b. In your own word, explain what is inferential statistics with relevant examples. (2 marks)

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