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You are interested in whether the returns on Asset A are negatively correlated with the returns on Asset B. Consider the following annual return data on the two assets:
a. Calculate and interpret the Spearman rank correlation coefficient rs.
b. Specify the competing hypotheses in order to determine whether the asset returns are negatively correlated.
c. At the 1 % significance level, specify the critical value.
d. What is the conclusion to the test? Are the returns negatively correlated?
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he number of reservations for its January flight to Germany, 305 reservations for tourist class,185 Economy class, and 206 first class. To fill all the seats how many of each kind of plane should the company fly?
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