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Answer the following problems. Apply the different steps in hypothesis testing. 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. Blocks of Evaluators 12345 2 3 X 18 19 16 10 14 Restaurants Y 18 17 16 18 20 Z 12 13 11 10 9 Use a level of significance of a = 0.05, is there evidence of a difference in evaluation between restaurants?

Answer the following problems. Apply the different steps in hypothesis testing. 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. Blocks of Evaluators 12345 2 3 X 18 19 16 10 14 Restaurants Y 18 17 16 18 20 Z 12 13 11 10 9 Use a level of significance of a = 0.05, is there evidence of a difference in evaluation between restaurants?

MATLAB: An Introduction with Applications
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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Answer the following problems. Apply the different steps in hypothesis testing. 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. Blocks of Evaluators 1 2 3 4 5 X 18 19 16 10 14 Restaurants Y 18 17 16 18 20 Z 12 13 11 10 9 Use a level of significance of a = 0.05, is there evidence of a difference in evaluation between restaurants?
Transcribed Image Text:Answer the following problems. Apply the different steps in hypothesis testing. 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. Blocks of Evaluators 1 2 3 4 5 X 18 19 16 10 14 Restaurants Y 18 17 16 18 20 Z 12 13 11 10 9 Use a level of significance of a = 0.05, is there evidence of a difference in evaluation between restaurants?
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