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Over a long period of time, the production of 1000 high-quality hammers in a factory seems to have reached a weight with an average of 971g and standard deviation of 15.2 g. Propose a model for the weight of the hammers including a probability distribution for the weight. What are the assumptions for this model to hold? What parameters does this model have? A new production system is configured, and one wants to evaluate if the new system makes more constant weights. For this a random sample of newly produced hammers is evaluated yielding the following weights: 987,966, 955, 977, 981, 967,975, 980, 953, 972 What hypothesis can you formulate and what test and decision rule can you make to estimate if the new system produces a more constant weight? Express these assertions as logical statements involving critical values. What error probabilities can you suggest and why? Calculate the p-value. Perform the test and express conclusions.

Over a long period of time, the production of 1000 high-quality hammers in a factory seems to have reached a weight with an average of 971g and standard deviation of 15.2 g. Propose a model for the weight of the hammers including a probability distribution for the weight. What are the assumptions for this model to hold? What parameters does this model have? A new production system is configured, and one wants to evaluate if the new system makes more constant weights. For this a random sample of newly produced hammers is evaluated yielding the following weights: 987,966, 955, 977, 981, 967,975, 980, 953, 972 What hypothesis can you formulate and what test and decision rule can you make to estimate if the new system produces a more constant weight? Express these assertions as logical statements involving critical values. What error probabilities can you suggest and why? Calculate the p-value. Perform the test and express conclusions.

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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Over a long period of time, the production of 1000 high-quality hammers in a factory seems to have reached a weight with an average of 971g and standard deviation of 15.2 g. Propose a model for the weight of the hammers including a probability distribution for the weight. What are the assumptions for this model to hold? What parameters does this model have? A new production system is configured, and one wants to evaluate if the new system makes more constant weights. For this a random sample of newly produced hammers is evaluated yielding the following weights: 987,966, 955, 977, 981, 967, 975, 980, 953,972 What hypothesis can you formulate and what test and decision rule can you make to estimate if the new system produces a more constant weight? Express these assertions as logical statements involving critical values. What error probabilities can you suggest and why? Calculate the p-value. Perform the test and express conclusions.
Transcribed Image Text:Over a long period of time, the production of 1000 high-quality hammers in a factory seems to have reached a weight with an average of 971g and standard deviation of 15.2 g. Propose a model for the weight of the hammers including a probability distribution for the weight. What are the assumptions for this model to hold? What parameters does this model have? A new production system is configured, and one wants to evaluate if the new system makes more constant weights. For this a random sample of newly produced hammers is evaluated yielding the following weights: 987,966, 955, 977, 981, 967, 975, 980, 953,972 What hypothesis can you formulate and what test and decision rule can you make to estimate if the new system produces a more constant weight? Express these assertions as logical statements involving critical values. What error probabilities can you suggest and why? Calculate the p-value. Perform the test and express conclusions.
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