Mathematics, 21.10.2020 16:01 jackie0833

A firm is studying the delivery times for two raw material suppliers. The firm is basically satisfied with its current supplier A but would like to compare its delivery time to that of a competitor (supplier B). If the delivery time of A is longer than that of B the firm will began making raw material purchases from supplier B. The firm samples 10 deliveries from supplier A and 10 deliveries from supplier B Using the .01 level of significance, determine whether evidence exists that the mean delivery time of A is significantly greater than B. If you were to use the last Minitab output from above (this may or may not be the correct one for the original problem). What decision would you make for step 5 in the hypothesis testing process

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A firm is studying the delivery times for two raw material suppliers. The firm is basically satisfie...