Q4 The annual percentage returns for a random sampling of 13 stocks are: 14, -7, 18, -5, 9, -3, 10, 5, -1, -6, -11, 13,

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Q4
The annual percentage returns for a random sampling of 13 stocksare:14, -7, 18, -5, 9, -3, 10, 5, -1, -6, -11, 13, 2Based on this data, construct a 75% confidence interval for theaverage annual return of a portfolio of 30 stocks (round off totenths of a percent).
Multiple Choice
[-0.3, 6.2]
[0.7, 5.2]
[-8.3, 14.1]
[-0.2, 6.0]
None of the above