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MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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![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 Ftable)
Vendor
Defective
Acceptable
112
70
14
10
22
150
a. Select the competing hypotheses to determine whether quality is associated with the source of the shipments.
O Mo Quality and source of shipment (vendor) are independent: Ma: Quality and source of shipment (vendor) are dependent.
O Mo 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 (Round intermediate calculations to at least 4 decimal places and final answer to 3
decimal places.)
Tost atatistic
b-2. Find the p-value,
O pvalue > 0.01
O 0.01 s p-value <0.025
O 0.025 s p-value <0.05
O 0.05 s pvalue <0.10](https://content.bartleby.com/qna-images/question/239f0ca9-0f86-4df3-a44a-d5a7509d6a48/cceabeaa-5ac0-4f09-93b4-29f79ad7f4f8/ykpvmwm_thumbnail.jpeg)
Transcribed Image Text: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 Ftable)
Vendor
Defective
Acceptable
112
70
14
10
22
150
a. Select the competing hypotheses to determine whether quality is associated with the source of the shipments.
O Mo Quality and source of shipment (vendor) are independent: Ma: Quality and source of shipment (vendor) are dependent.
O Mo 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 (Round intermediate calculations to at least 4 decimal places and final answer to 3
decimal places.)
Tost atatistic
b-2. Find the p-value,
O pvalue > 0.01
O 0.01 s p-value <0.025
O 0.025 s p-value <0.05
O 0.05 s pvalue <0.10
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