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

The following sample data reflect shipments received by a large firm from three different vendors and the quality of those shipments. (You may find it useful to reference the appropriate table: chi-square table or F table) Vendor Defective Acceptable 1 28 126 2 12 78 3 33 246 a. Select the competing hypotheses to determine whether quality is associated with the source of the shipments. H0: Quality and source of shipment (vendor) are independent.; HA: Quality and source of shipment (vendor) are dependent. H0: Quality and source of shipment (vendor) are dependent.; HA: Quality and source of shipment (vendor) are independent. b-1. Calculate the value of the test statistic

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orchestra answered 1 year ago
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