The following table shows the annual returns (in percent) for Fidelity's Technology and Communications funds for the years 2006 through 2010. Use the critical value approach to test if the population variances differ at the 10% significance level.

Question

The following table shows the annual returns (in percent) for Fidelity's Technology and Communications funds for the years 2006 through 2010.

Use the critical value approach to test if the population variances differ at the 10% significance level.

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The Answer of The following table shows the annual returns (in percent) for Fidelity's Technology and Communications funds for the years 2006 through 2010.  Use the critical value approach to test if the population variances differ at the 10% significance level.

The Following Table Shows the Annual Returns (In Percent) for Fidelity's