Question: A food company testing a new method for the analysis of the Polyunsaturated Fat polyunsaturated fat content of various vegetable and animal ( w/w of

 A food company testing a new method for the analysis of

A food company testing a new method for the analysis of the Polyunsaturated Fat polyunsaturated fat content of various vegetable and animal ( w/w of total fat) oils obtained the results in the table for the old and new methods. Sample Old New Number Method Method Use a paired Student's t-test to determine if the new and old 4.3 3.8 analysis procedures are giving the same results at the 95% 2 33.0 31.9 confidence level. You can assume that the precision is 3 6.8 6.3 approximately the same for these two methods. 4 64.5 61.6 Critical t values at various confidence intervals and degrees of 5 16.8 15.1 freedom can be found in the Student's t table. 6 7.9 6.5 7 48.3 45.4 8 30.5 25.6 calculated = t critical = Are the results the same at the 95% confidence level? O yes O no

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