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Step 4: Complete the table and compute for the value of F. Degrees of Freedom Source of Sum of Mean of F Variation Squares Squares Treatment (Bonding Agent) Blocks (Materials) Error Total

Step 4: Complete the table and compute for the value of F. Degrees of Freedom Source of Sum of Mean of F Variation Squares Squares Treatment (Bonding Agent) Blocks (Materials) Error Total

ENGR.ECONOMIC ANALYSIS
ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN:9780190931919
Author:NEWNAN
Publisher:NEWNAN
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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Step 4: Complete the table and compute for the value of F. Mean of Source of Variation Sum of Degrees of Freedom F Squares Squares Treatment (Bonding Agent) Blocks (Materials) Error Total Step 5: Decision Rule. Treatments: Blocks: Step 6: Conclusion. Treatments: Blocks:
Transcribed Image Text:Step 4: Complete the table and compute for the value of F. Mean of Source of Variation Sum of Degrees of Freedom F Squares Squares Treatment (Bonding Agent) Blocks (Materials) Error Total Step 5: Decision Rule. Treatments: Blocks: Step 6: Conclusion. Treatments: Blocks:
2. Suppose that a Restaurant chain specialized with pasta having three branches in a particular geographic location would like to evaluate the service at this restaurant. The researcher for the restaurant hires 18 investigators (evaluator) with varied experiences in food- service evaluations. After the initial consultations, the 15 investigators are stratified into five blocks of three-based on food service evaluation experience- so that three most experience evaluators are placed in block 1, the next three most experienced evaluators are placed in block 2, and so on. Within each of the five homogeneous blocks, the three evaluators are then randomly assigned to evaluate the service at a particular restaurant using a rating scale from 0 (low) to 20 (high). The results are summarized in the table. Restaurants Blocks of Evaluators Y Z 1 18 18 12 19 17 13 3 16 16 11 10 18 10 14 20 9 Use a level of significance of a = 0.05, is there evidence of a difference in evaluation between restaurants? Solution: Step 1: State the hypotheses. HOrTreatment). H(Treatment). HOVBlocks) H(Blocks) Step 2: The level of significance is Step 3: Determine the degrees of freedom and the critical value of F. dfTreatment dfplocks dferor FTreatment FBlocks=
Transcribed Image Text:2. Suppose that a Restaurant chain specialized with pasta having three branches in a particular geographic location would like to evaluate the service at this restaurant. The researcher for the restaurant hires 18 investigators (evaluator) with varied experiences in food- service evaluations. After the initial consultations, the 15 investigators are stratified into five blocks of three-based on food service evaluation experience- so that three most experience evaluators are placed in block 1, the next three most experienced evaluators are placed in block 2, and so on. Within each of the five homogeneous blocks, the three evaluators are then randomly assigned to evaluate the service at a particular restaurant using a rating scale from 0 (low) to 20 (high). The results are summarized in the table. Restaurants Blocks of Evaluators Y Z 1 18 18 12 19 17 13 3 16 16 11 10 18 10 14 20 9 Use a level of significance of a = 0.05, is there evidence of a difference in evaluation between restaurants? Solution: Step 1: State the hypotheses. HOrTreatment). H(Treatment). HOVBlocks) H(Blocks) Step 2: The level of significance is Step 3: Determine the degrees of freedom and the critical value of F. dfTreatment dfplocks dferor FTreatment FBlocks=
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