NUMATOMEM VAG PRAVY In a study conducted by the mechanical engineering department at a university the steel rods supplied by two

Question

NUMATOMEM VAG PRAVY In a study conducted by the mechanical engineering department at a university the steel rods supplied by two different companies were compared Ten sample springs were made out of the steel rods supplied by each company and a measure of flexibility was recorded for each The data are provided in the accompanying table Compute both the mean and the variance in flexibility for both company A and company B Does there appear to be a difference in flexibility between company A and company B Click the icon to view the flexibility data The mean for company A is 8 Type integers or decimals Do not round The mean for company B is The variance for company A is The variance for company B is Round to four decimal places as needed Does there appear to be a difference in flexibility between company A and company B here CYTE to be a difference in flexibility Company A s sample mean is company B s variance company B s sample mean and company A s variance is Flexibility of Springs Company A 8 7 6 7 8 2 8 0 00 00 7 2 6 0 02 8 8 4 46 8 6 00 96 8 9 6 6 40 A n

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