Using the table below find average return and standard deviation for Starbucks and Abbott, and covariance and correlation of their returns.
Year | Starbucks | Abbott |
1989 | 23.65 | 65 |
1990 | -47.37 | -33.79 |
1991 | 35 | 29.88 |
1992 | 86 | -21 |
1993 | 22.36 | 32 |
1994 | 25.37 | -4.29 |
1995 | 54 | 38.32 |
1996 | 65 | -6.36 |
1997 | 11.67 | 33.33 |
1998 | 36.19 | 23.55 |
Select one:
a.
Average returns: Starbucks=31.19% ; Abbott = 15.66%
Standard deviations: Starbucks=35.63% ; Abbott = 30.67%
Covariance = 110.71
Correlation = 0.10
b. Average returns: Starbucks=71.19% ; Abbott = 25.66%
Standard deviations: Starbucks=48.63% ; Abbott = 21.67%
Covariance = 213.71
Correlation = 0.23
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