Determining the source of the shipments

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The following sample data reflect shipments received by a large firm from three different vendors.

930_shipments received by a large firm.png

a. Specify the competing hypotheses to determine whether quality is associated with the source of the shipments.

b. Conduct the test at a 1% significance level using the critical value approach.

c. Should the firm be concerned about the source of the shipments? Explain.

Reference no: EM131799075

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