1.In Stat 151 course at MacEwan University, we consider a sample with the following data values:

1, 2, 2, 3, 3, 3, 5, 6, 6, 7, 8, 9, 9, 10, 11, 12, 13, 15, 15, 23, 65

i

(If needed: x_i = 228, x² = 6155)(a)Find Q₁, Q₂, Q₃, lower limit and upper limit. [4 marks]

(b)Construct a boxplot for this data. Identify any outlier(s). [4 marks]

(c)Find the mean and standard deviation of this data. [4 marks]

Which measurement is proper for the centre of this data set? [