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Question 3 (5.5 marks = 1.5 + 1 + 2 + 1) The set of data...

Question 3 (5.5 marks = 1.5 + 1 + 2 + 1) The set of data below are from a sample of n = 7 7, -6, -3, 1, 9, 4, 7 a. Calculate the mean, median, and mode b. Calculate the range and range c. Calculate the variance and standard deviation d. Do your calculated values of the mean, median, and mode suggest that this distribution is symmetrical, negatively skewed or positively skewed? Please explain your answer in one or two sentences?

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