The following table shows the annual returns (in percent) for Fidelitys Electronic and Utilities funds a Derive 99 confidence intervals for the mean return of Fidelitys Electronic and Utilities funds b What did you have to assume to make the aboveinferences Electronic Utilities Year 2005 2006 2007 ...

We use 001 df 5 1 4 to find t 00054 4604 a Electronic x 1323 197 277 5055 8165 5 981 The 99 co ...

The following table shows the annual returns (in percent) for Fidelitys Electronic and Utilities funds. a. Derive

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The following table shows the annual returns (in percent) for Fidelityâ€™s Electronic and Utilities funds.

a. Derive 99% confidence intervals for the mean return of Fidelityâ€™s Electronic and Utilities funds.
b. What did you have to assume to make the aboveinferences?

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Essentials Of Business Statistics Communicating With Numbers

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The following table shows the annual returns (in percent) for Fidelitys Electronic and Utilities funds. a. Derive

Question:

Electronic Utilities Year 2005 2006 2007 2008 2009 13.23% 1.97 2.77 50.55 81.65 9.36% 32.33 21.03 35.21 14.71

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Essentials Of Business Statistics Communicating With Numbers

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