Question: SHOW YOUR WORKINGSand include units in your answer. The set of data below are from a sample of n = 7, electricity bills ($million). 6

SHOW YOUR WORKINGSand include units in your answer.

The set of data below are from a sample ofn= 7, electricity bills ($million).

6

5

1

6

6

2

5

a) Calculate the mean and the mode. [2 marks]

b) Give the value of the 25thpercentile. [1 mark]

c) Would you describe the distribution as symmetrical, positively skewed or negatively skewed? Briefly explain your choice. [2 marks]

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