The weights (in ounces) of 17 randomly selected superzoom digital cameras are listed. Use a 95% level

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The weights (in ounces) of 17 randomly selected superzoom digital cameras are listed. Use a 95% level of confidence.

Assume the sample is from a normally distributed population and construct the indicated confidence intervals for

(a) The population variance σ2 and

(b) The population standard deviation σ. Interpret the results.

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