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 Etable) Vendor Defective 19 24 33 a. Select the competing hypotheses to determine whether quality is associated with the source of the shipments. O#: Quality and source of shipment (vendor) are independent; #: Quality and source of shipment (vendor) are dependent. OB: Quality and source of shipment (vendor) are dependent.; , Quality and source of shipment (vendor) are independent. Test statistic 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.) Acceptable 135 72 240 b-2. Find the p-value. Op-value 20.10 0.05 p-value < 0.10 00.025 s p-value < 0.05 0.01 s p-value < 0.025 O p-value < 0.01 b-3. At the 10% significance level, what is your conclusion? O Do not reject #g, we cannot conclude that quality and source of shipment (vendor) are dependent. O Reject we cannot conclude that quality and source of shipment (vendor) are dependent. O Do not reject #g: we can conclude that quality and source of shipment (vendor) are dependent. O Reject we can conclude that quality and source of shipment (vendor) are dependent.
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 Etable) Vendor Defective 19 24 33 a. Select the competing hypotheses to determine whether quality is associated with the source of the shipments. O#: Quality and source of shipment (vendor) are independent; #: Quality and source of shipment (vendor) are dependent. OB: Quality and source of shipment (vendor) are dependent.; , Quality and source of shipment (vendor) are independent. Test statistic 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.) Acceptable 135 72 240 b-2. Find the p-value. Op-value 20.10 0.05 p-value < 0.10 00.025 s p-value < 0.05 0.01 s p-value < 0.025 O p-value < 0.01 b-3. At the 10% significance level, what is your conclusion? O Do not reject #g, we cannot conclude that quality and source of shipment (vendor) are dependent. O Reject we cannot conclude that quality and source of shipment (vendor) are dependent. O Do not reject #g: we can conclude that quality and source of shipment (vendor) are dependent. O Reject we can conclude that quality and source of shipment (vendor) are dependent.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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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 Etable)
Vendor
Defective
19
24
33
a. Select the competing hypotheses to determine whether quality is associated with the source of the shipments.
Acceptable
135
72
240
O#: Quality and source of shipment (vendor) are independent; #: Quality and source of shipment (vendor) are dependent.
OB: Quality and source of shipment (vendor) are dependent.; , Quality and source of shipment (vendor) are independent.
Test statistic
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.)
b-2. Find the p-value.
Op-value 20.10
O 0.05 p-value <0.10
0.025 p-value < 0.05
O 0.01 s p-value < 0.025
O p-value <0.01
b-3. At the 10% significance level, what is your conclusion?
O Do not reject #g; we cannot conclude that quality and source of shipment (vendor) are dependent.
O Reject we cannot conclude that quality and source of shipment (vendor) are dependent.
Do not reject #g; we can conclude that quality and source of shipment (vendor) are dependent.
O Reject we can conclude that quality and source of shipment (vendor) are dependent.
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