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Mathematics, 28.11.2019 01:31 tynitenaire

The variance in a production process is an important measure of the quality of the process. a large variance often signals an opportunity for improvement in the process by finding ways to reduce the process variance. conduct a statistical test to determine whether there is a significant difference between the variances in the bag weights for the two machines. use a .05 level of significance. click on the datafile logo to reference the data. machine 1 2.95 3.45 3.50 3.75 3.48 3.26 3.33 3.20 3.16 3.20 3.22 3.38 3.90 3.36 3.25 3.28 3.20 3.22 2.98 3.45 3.70 3.34 3.18 3.35 3.12 machine 2 3.22 3.30 3.34 3.28 3.29 3.25 3.30 3.27 3.38 3.34 3.35 3.19 3.35 3.05 3.36 3.28 3.30 3.28 3.30 3.20 3.16 3.33 state the null and alternative hypotheses. 0: 1 2 2 2 a: 1 2 2 2 calculate the value of the test statistic (to 2 decimals). the p-value is what is your conclusion?

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