Highlights
TASK:
Question 1
The data relates to 100 (hypothetical) brokerage companies. Y is the total costs for each company,and X is the number of transactions for each company (both series measured in suitable units). For reference, for observation 1 X = 62.69 and Y = 61.11; for observation 2 X = 82.98 and Y = 83.89; and for observation 100 X = 36.62 and Y = 47.67.
a) Obtain a scatter plot of Y (total cost) against X (number of transactions), and comment on the plot.
Question 2
The tab-delimited text file M430_A2_S4_2020_Q2.txt contains weekly data on the natural logarithm of the spot exchange rate between two currencies (X) and the natural logarithm of the forward exchange rate between the same two currencies (Y) for two hypothetical economies, dated
21/8/2015 to 29/5/2020, giving 250 observations. For reference, on 21/8/2015 X = 1.0022, Y = 0.9948; on 28/8/2015 X = 0.9995, Y = 1.0072; and on
29/5/2020 X = 1.0862, Y = 1.0825.
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