Question

The graph shows that the monthly return on Galifre Educational (GE) is expected to fall between -4.287% and 5.655%. The expected return on Galifre Educational (GE) is______ and the standard deviation is __________

**How do you find the standard deviation? Please show
work**

Answers...

Expected return = .684%

Standard deviation = 1.657%

Answer #1

**Note : - the
answer given for standard Deviation is wrong.**

Expected Return = (- 4.287% + 5.655%) / 2

= 0.684%

Given Return X | Expected Return X1 | (X-X1)^2 |

-0.04287 | 0.00684 | 0.0024710841 |

0.05655 | 0.00684 | 0.0024710841 |

Total |
0.0049421682 |

Standard Deviation = (0.0049421682 / 2)^1/2

= 4.971%

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