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 119 1 32 25 26 76 207 a. Select the competing hypotheses to determine whether quality is associated with the source of the shipments. O Hạ: Quality and source of shipment (vendor) are independent.; Ha: Quality and source of shipment (vendor) are dependent. O Hạ: 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.) Test statistic

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b-2. Find the p-value.
O p-value Picture 0.10
O 0.05 Picture p-value < 0.1o
O 0.025 Picture p-value < 0.05
O 0.01 Picture p-value < 0.025
O p-value < 0.01
b-3. At the 1% significance level, what is your conclusion?
O Do not reject He; we cannot conclude that quality and source of shipment (vendor) are dependent.
Reject Hg; we cannot conclude that quality and source of shipment (vendor) are dependent.
O Do not reject Hg, we can conclude that quality and source of shipment (vendor) are dependent.
O Reject Hg, We can conclude that quality and source of shipment (vendor) are dependent.
c. Should the firm be concerned about the source of the shipments?
O No
O Yes
Transcribed Image Text:b-2. Find the p-value. O p-value Picture 0.10 O 0.05 Picture p-value < 0.1o O 0.025 Picture p-value < 0.05 O 0.01 Picture p-value < 0.025 O p-value < 0.01 b-3. At the 1% significance level, what is your conclusion? O Do not reject He; we cannot conclude that quality and source of shipment (vendor) are dependent. Reject Hg; we cannot conclude that quality and source of shipment (vendor) are dependent. O Do not reject Hg, we can conclude that quality and source of shipment (vendor) are dependent. O Reject Hg, We can conclude that quality and source of shipment (vendor) are dependent. c. Should the firm be concerned about the source of the shipments? O No O Yes
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)
TTT
Vendor
Defective
Acceptable
1
32
119
2
25
76
3
26
207
a. Select the competing hypotheses to determine whether quality is associated with the source of the shipments.
O Hg: Quality and source of shipment (vendor) are independent.; Ha: Quality and source of shipment (vendor) are dependent.
O Họ: 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.)
Test statistic
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 F table) TTT Vendor Defective Acceptable 1 32 119 2 25 76 3 26 207 a. Select the competing hypotheses to determine whether quality is associated with the source of the shipments. O Hg: Quality and source of shipment (vendor) are independent.; Ha: Quality and source of shipment (vendor) are dependent. O Họ: 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.) Test statistic
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