Calculate the geometric mean return for the following data set:
-5% 6% -7% 4.7% 5.1%
(Negative Value should be indicated by minus sign. Round your intermediate calculations to at least 4 decimal places and final answer to 2 decimal places.)

The geometric mean return for the given data set is approximately 0.85%.

To calculate the geometric mean return for the given data set, we need to follow these steps:

Convert the percentage returns into decimal form.

To do this, we divide each return by 100:

-5% becomes -0.05

6% becomes 0.06

-7% becomes -0.07

4.7% becomes 0.047

5.1% becomes 0.051

Add 1 to each decimal return to obtain the growth factor:

-0.05 + 1 = 0.95

0.06 + 1 = 1.06

-0.07 + 1 = 0.93

0.047 + 1 = 1.047

0.051 + 1 = 1.051

Multiply all the growth factors together:

0.95 × 1.06 × 0.93 × 1.047 × 1.051

= 1.04251741

Take the nth root of the product, where n is the number of returns in the data set. In this case, n = 5:

[tex]1.04251741^{(1/5)}[/tex] ≈ 1.008488

Subtract 1 from the result and multiply by 100 to obtain the geometric mean return as a percentage:

(1.008488 - 1) × 100 ≈ 0.8488

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