Question 2 (Unit 3) - 4 marks The BBC record the scores of all matches played in the premier league. The figures in Table 1 are based on the results of the matches played in December 2019 and January 2020. Table 1 Numbers of goals by number matches Number of Number of goals scored matches 3 17 31 28 13 7 0 Total 101 Using Table 1, calculate by hand - that is, not using Minitab - to two decimal places the mean and standard deviation of the number of goals scored in matches played in December 2019 and January 2020. You should show each step of your calculations including: the batch size . the sum of the data values the sum of the squares of the data values the mean the sum of the squares of the deviations . the variance the standard deviation. [4]