Question

Using the table below find average return and standard deviation for Starbucks and Abbott, and covariance...

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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