Question

Volume of Altria Group Stock The volume of a stock is the number of shares traded on a given day. The following data, in millions, so that 3.78 represents 3,780,000 shares traded, represent the volume of Altria Group stock traded for a random sample of 35 trading days in 2004 3.78 8.74 4.35 5.02 8.40 6.06 5.75 5.34 6.92 6.23 5.32 3.25 657 7.57 6.07 3.04 5.64 5.00 7.16 4.88 10.32 3.38 725 6.52 4.43 3.38 5.53 4.74 9.70 3.56 10.96 450 797 3.01 558 With the first class having a lower class limit of 3 and a class width of 2 (a) Construct a frequency distribution. (b) Construct a relative frequency distribution. (c) Construct a frequency histogram of the data. (d) Construct a relative frequency histogram of the data. (e) Describe the shape of the distribution. (f) Repeat parts (a)-(e) using a class width of 1 (g) Which frequency distribution seems to provide a bet- ter summary of the data?

Answer 1

Interpretation:

The frequency histogram illustrated about the data distribution, which is skewed to the right indicates that the mean is greater than the median of the data distribution. The frequency distribution of the trading days is skewed to the right.

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Interpretation:

The relative frequency histogram illustrated about the data distribution, which is skewed to the right indicates about the mean is greater than the median of the data distribution. The frequency distribution of the volume of trading days is right skewed.