Reference no: EM132367470

The table below shows the percentage of change in a share values of 40 sampled stocks of AA Index on Monday, 3 January 2018.

1.31 3.16 3.42 6.21 2.54 1.22 5.25

2.04 3.17 2.36 7.61 2.33 2.41 5.11

2.16 1.04 6.43 3.33 3.25 5.08 3.23

2.61 2.73 2.17 4.59 6.02 5.28 3.58

3.03 0.64 1.35 7.75 5.21 2.62 3.19

6.13 3.01 5.12 5.11 7.23

(a) Construct a frequency distribution and a histogram to summarize the sampled data. Begin your first class at '0 but less than 1.5', and end with the last class at '7.5 but less than 9'.

(b) Estimate the mean, standard deviation, and coefficient of variation of the grouped data obtained in part (a).

(c) Construct a cumulative frequency distribution and an ogive for the grouped data obtained in part (a).

(d) Estimate the median, range, and inter-quartile range of the grouped data from the ogive obtained in part (c).