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A consumer's organization is interested in determining the amount of variability in the price of one brand of camera. A survey of 25 retail outlets

A consumer's organization is interested in determining the amount of variability in the price of one

brand of camera. A survey of 25 retail outlets produces a mean and standard deviation of $380 and

$20 respectively. Compute the point estimate of the variance and the 95% confidence interval of

the variance in the price of this brand of camera. Report your result (round to two decimal places).

What assumption did you have to make before obtaining the confidence interval?

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