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The marks obtained by a sample of 11 students were as follows: 312827211822292693111 Answer the following questions (show all the steps of solving, final answer

The marks obtained by a sample of 11 students were as follows:

312827211822292693111

Answer the following questions (show all the steps of solving, final answer only will not get the full grade)

a)What is the variance of the mark obtained?

b)What is the standard deviation of the mark obtained?

c)How would you describe the skewness of the data set?

d)Find the mean, median and mode for the students' marks.

e)What is the IQR (interquartile range) of the marks obtained?

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