DOE I-PracProb - Design of Experiments I: Practice Problems...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
Design of Experiments I: Practice Problems 1. Information regarding the ACT scores of samples of students in three different majors are given below. At 5% level of significance, test to determine whether there is a significant difference in the means of the three populations. Major Management Finance Accounting 28 22 29 26 23 27 25 24 26 27 22 28 21 24 25 19 26 26 27 27 28 17 29 20 23 28 24 Means 25.9 23.67 SDs 2.7 2.6 3.9 a. State the appropriate null and alternative hypotheses. b. Is the statement “test to determine whether there is a significant difference in the means of the three populations” equivalent to the statement “test to determine whether specialization major has any effect on ACT scores”? 1
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
c. Compute SSTR and MSTR. d. Compute SSE and MSE. e. Find the value of the test statistic. f. What is the conclusion? g. Construct the ANOVA table. 2
Background image of page 2
Accounting firm’s auditing example ( pages 18-19 of lecture note ) has the following data: Block Method 1 (1 – 4) 2 (5 – 9) 3 (10 – 15) 1 (Home) 68 76 75 2 (Local) 72 79 76 3 (National) 88 89 87 We want to test to determine whether training methods affect proficiency score of an auditor. a. State the appropriate null and alternative hypotheses. b. What is the decision rule? c.
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 04/04/2012 for the course MGMT 405 taught by Professor Staff during the Spring '08 term at Purdue University-West Lafayette.

Page1 / 12

DOE I-PracProb - Design of Experiments I: Practice Problems...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online