3. A produces both deluxe and standard models of a home appliance and the selling prices from a sample of retail outlets are as follows: Model Prices ($) Standard 27 28 35 30 30 34 29 Retail Outlet Deluxe 39 1. 2. 3. 4. 5. 6. 7. 39 45 38 40 39 35 The manufacturer claims that the average retail price differential between the two models is at most $7.50. Conduct a hypothesis test to affirm or deny the manufacturer's claim. Clearly show your hypothesis testing steps (state your null and alternative hypotheses, level of significance, test statistic, etc.) and manual (hand and a calculator) calculations in 2 decimal places.

3. A produces both deluxe and standard models of a home appliance and the selling prices from a sample of retail outlets are as follows: Model Prices ($) Standard 27 28 35 30 30 34 29 Retail Outlet Deluxe 39 1. 2. 3. 4. 5. 6. 7. 39 45 38 40 39 35 The manufacturer claims that the average retail price differential between the two models is at most $7.50. Conduct a hypothesis test to affirm or deny the manufacturer's claim. Clearly show your hypothesis testing steps (state your null and alternative hypotheses, level of significance, test statistic, etc.) and manual (hand and a calculator) calculations in 2 decimal places.

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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A car manufacturer is concerned about poor customer satisfaction at one of its dealerships. The management decides to evaluate the satisfaction surveys of its next 40 customers. The dealer will be fined if the number of customers who report favorably is between 26 and 28. The dealership will be dissolved if fewer than 26 customers report favorably. It is known that 61% of the dealer’s customers report favorably on satisfaction surveys. [You may find it useful to reference the z table.] a. What is the probability that the dealer will be fined? (Round intermediate calculations to at least 4 decimal places, “z” value to 2 decimal places, and final answer to 4 decimal places.) b. What is the probability that the dealership will be dissolved? (Round intermediate calculations to at least 4 decimal places, “z” value to 2 decimal places, and final answer to 4 decimal places.)
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A statistical program is recommended. A study of emergency service facilities investigated the relationship between the number of facilities and the average distance traveled to provide the emergency service. The following table gives the data collected. Number of Facilities Average Distance (miles) 9 1.66 11 1.12 16 0.83 21 0.63 27 0.50 30 0.48 (a) Develop a scatter diagram for these data, treating average distance traveled as the dependent variable. 1.8T 35 1.8 1.8- 1.6 1.6- 1.6- 30 1.4 1.4 1.4 1.2 25- 1.2- 1.2- 1. 1. 1. 20 0.8 0.8 0.8 0.6 15 0.6 0.6 .. 0.4 0.4 0.4 104 A scatter diagram has 6 points. The horizontal axis ranges from O to 1.8 and is labeled: Distance. The vertical axis ranges from 5 to 35 and is labeled: Number. Moying, from, left to right, the leftmost point is at'approximately (0.48, 36), with the next five points extending downward. The points d @O and then level off. 0.2 0.2 0.2 0. 0. 0. 5 10 15 20 25 30 35 10 15 20 25 30 35 10 15 20 25 30 35 Number ecrease steeply…