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Christv works for a soft-drink companyr in the quality.r control division. Ehrist}:r is interested in the variance of one of the production lines as a measure of consistency. The product is intended to have a mean of 12 ounces. and lChristy's team would like the variance to he as low as possible. You gather a random sample of 15 containers. Estimate the population variance at a 30% level of confidence. Variance of Data: 32 = Note: Round all values to 3 decimals and use those rounded values in subsequent calculations. a} Find the lower and upper 1:2 critical values at ans confidence: Lower: I I UppenI I b} Report the confidence interval for 0-2: Lower Bound: I I Upper Bound