Question: QUESTION 1 [23 Marks] Consider the following data from an oil company concerning 3 refineries and 2 processes. The recorded values are percentages of measure

QUESTION 1 [23 Marks] Consider the following data from an oil company concerning 3 refineries and 2 processes. The recorded values are percentages of measure of efficiency (y). Process Refinery 1 2 31, 33 37, 59, 41 44. 36 39 42 1.1 Write out the equations for a regression on dummy variables considering the effect of refinery (a) and process () on efficiency. (6) 1.2 Rewrite the model equations in terms of the data and matrix notation. (5) 1.3 Write down the normal equations of the linear models for this situation. (6) 1.4 Carry out the analysis assuming no interaction model and present the results in an ANOVA table. (6)

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

LINEAR MODEL Percentages of measure of efficiency (y) PROCESS REFINERY 1 2 V111, V112 V121, V122, )123 V211, V212 V221 V311 The entries in the table are such that Vik represents the percentage of the...

I would like assistance with assignment 3 and 4 on the attached document I have been struggling with the subject and its my last AUI4863/102/0/2016 Tutorial letter 102/0/2016 ADVANCED INTERNAL AUDIT...

AAM3692 Assignment 1 2021 Question 1 (26 Marks) Table Makers CC (TM), is a company that manufactures and sells large size tables. Such large size tables are mainly used in the offices of the...

When comparing various divisions within a company, describe what problems can arise from evaluating divisions that have different accounting methods, as described in Chapter 11 of your text. Cite...

A discrete sequence {xn} can be converted into a continuous representation x(t) = ts X n= (t n ts) xn, where ts is the sampling period. (a) State two characteristic properties of Dirac's function. [2...

2.2 51 Summarizing Data for a Quantitative Variable Exercises Methods 11. Consider the following data. WEB 14 19 24 19 16 20 24 20 file Frequency a. b. SELF test 21 22 24 18 17 23 26 22 23 25 25 19...

Let A, B be sets. Define: (a) the Cartesian product (A B) (b) the set of relations R between A and B (c) the identity relation A on the set A [3 marks] Suppose S, T are relations between A and B, and...

PRINTED BY: smj@staceymjohnson.com. Printing is for personal, private use only. No part of this book may be reproduced or transmitted without publisher's prior permission. Violators will be...

answer the question clearly You are building a flight-control system for which a convincing safety case must be made. Would you assign the tasks of safety requirements engineering, test case...

Read the article provided below and answer question 1 and 2 High-flying Amplats Sets Next Wave of Strategy in Motion 18TH FEBRUARY 2019 MARTIN CREAMER JOHANNESBURG (miningweekly.com) Anglo American...

Consider again the family of homothetic tastes. A: Recall that essential goods are goods that have to be present in positive quantities in a consumption bundle in order for the individual to get...

We contrasted forward and backward state-space search planners with partial-order planners, saying that the latter is a plan-space searcher. Explain how forward and backward state-space search can...

Charging on a credit card is essentially taking out a loan. Group of answer choices True False

2 points Suppose a stock index contains the stock off and The stock pres for the tree from a 50 and 54 respectively. The one and the outstanding, respectively. If the index is value weighted alates...

Prepare a targeted rsum in chronological format to apply for one of the positions you found on the Internet in Application Exercise 7.Partner with a classmate to proofread each others rsum. Submit...

In this Application Exercise, you will be doing the groundwork for an oral presentation to your classmates. First, identify which of the presentation topics listed below you will use. Second, analyze...

Teamwork. Technology. Global. Each member in a group of three should locate an article related to some aspect of global business or business communication. Randomly assign the style (manuscript,...