35.3

39.1

a.            (3 marks) Use Excel to obtain a histogram of this data. . The bins start with 10 as the lowest class beginning point and use a class width of 10.

b.            (3 marks) Briefly describe the shape (symmetry, modality and outliers) of the data based on the histogram and data obtained from part (a).

c.            (4 marks) Use Excel to obtain the Descriptive Statistics, Quartile1 and Quartile 3 for the data.

d.            (2 marks) Confirm whether your statement regarding any outliers is correct

e.            (4 marks) Which measures of location and dispersion should you use for this data? What are their values? Give a brief explanation for your decision