×
Log in to StudySoup
Get Full Access to Stats Modeling The World - 4 Edition - Chapter 12 - Problem 22
Join StudySoup for FREE
Get Full Access to Stats Modeling The World - 4 Edition - Chapter 12 - Problem 22

Already have an account? Login here
×
Reset your password

Insomnia Exercise 10 describes an experiment showing that exercise helped people sleep

Stats Modeling the World | 4th Edition | ISBN: 9780321854018 | Authors: David E. Bock, Paul F. Velleman, Richard D. De Veaux ISBN: 9780321854018 481

Solution for problem 22 Chapter 12

Stats Modeling the World | 4th Edition

  • Textbook Solutions
  • 2901 Step-by-step solutions solved by professors and subject experts
  • Get 24/7 help from StudySoup virtual teaching assistants
Stats Modeling the World | 4th Edition | ISBN: 9780321854018 | Authors: David E. Bock, Paul F. Velleman, Richard D. De Veaux

Stats Modeling the World | 4th Edition

4 5 1 383 Reviews
14
3
Problem 22

Insomnia Exercise 10 describes an experiment showing that exercise helped people sleep better. The experiment involved other groups of subjects who didnt exercise. Why didnt the experimenters just have everyone exercise and see if their ability to sleep improved?

Step-by-Step Solution:
Step 1 of 3

Assignment#4 Sana Nasim Problem#1 (a) The main effect of A: A=1/4n[a+ab+ac+abc-(1)-b-c-bc] A=1/3(8) [104+148+113+127-78-119-127-164] A= 4/12= 0.3333 The main effect of B: B=1/4n[b+ab+bc+abc-(1)-a-c-ac] B=1/4(3) [119+148+164+127-78-104-127-113] B=136/12= 11.333 The main effect of C: C=1/4n[c+ac+bc+abc-(1)-a-b-ab] C=1/4(3) [127+113+164+127-78-104-119-148] C= 82/12=6.8333 The interaction effect of AB: AB=1/4n[abc-bc+ab-b-ac+c-a+(1)] AB=1/4(3) [127-164+148-119-113+127-104+78] AB =-20/12 =-1.666 The interaction effect of AC: AC=1/4n[(1)-a+b-ab-c+ac-bc+abc] AC=1/4(3) [78-104+119-148-127+113-164+127] AC=-106/12=-8.8333 The interaction effect of BC: BC=1/4n[(1)+a-b-ab-c-ac+bc+abc] BC=1/4(3)[78+104-119-148

Step 2 of 3

Chapter 12, Problem 22 is Solved
Step 3 of 3

Textbook: Stats Modeling the World
Edition: 4
Author: David E. Bock, Paul F. Velleman, Richard D. De Veaux
ISBN: 9780321854018

Other solutions

People also purchased

Related chapters

Unlock Textbook Solution

Enter your email below to unlock your verified solution to:

Insomnia Exercise 10 describes an experiment showing that exercise helped people sleep