Question

QUESTION 9 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 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? Fail to reject Ho Accept Ho Accept H1 Reject Ho QUESTION 10 For the above problem, if you had chosen Fail to Reject Ho (this may or may not have been the correct answer), the reason for that decision would be t went beyond the critical value in one of the tails of the distribution and p <a None of the answers given here t did not go beyond the critical value and pa t went beyond the critical value in one of the tails of the distribution and p > a t did not go beyond the critical value and pa

Answer 1

Accept Hoor fail to reject to Q(10) t did not cróticey value go beyond and p ya the

interne (d) Two sample Test sample T-test T for & confidence AVS B N 1o 10 LA B mean 3.47 3.327 st den 1.06 0.87g. SE mean. 0.33 o. 23 95% for mun mu B "(-0.66, 0.95). IT-test mua A = muB (Ns not =): T:0-37, P=0.36 dr = 18 15 use pooled st Devo.953
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