The accompanying data file shows the annual return (in percent) for the Fidelity Select Technology Fund and

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The accompanying data file shows the annual return (in percent) for the Fidelity Select Technology Fund and the Fidelity Select Energy Fund from 2000 through 2016. Assume that the return data are bell-shaped.

a. Use z-scores to determine if there are any outliers in the technology return data.

b. Use z-scores to determine if there are any outliers in the energy return data.

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