×
Log in to StudySoup
Get Full Access to Elementary Statistics: Picturing The World - 6 Edition - Chapter 2.4 - Problem 2
Join StudySoup for FREE
Get Full Access to Elementary Statistics: Picturing The World - 6 Edition - Chapter 2.4 - Problem 2

Already have an account? Login here
×
Reset your password

Explain how to find the deviation of an entry in a data set. What is the sumof all the

Elementary Statistics: Picturing the World | 6th Edition | ISBN: 9780321911216 | Authors: Ron Larson; Betsy Farber ISBN: 9780321911216 66

Solution for problem 2 Chapter 2.4

Elementary Statistics: Picturing the World | 6th Edition

  • Textbook Solutions
  • 2901 Step-by-step solutions solved by professors and subject experts
  • Get 24/7 help from StudySoup virtual teaching assistants
Elementary Statistics: Picturing the World | 6th Edition | ISBN: 9780321911216 | Authors: Ron Larson; Betsy Farber

Elementary Statistics: Picturing the World | 6th Edition

4 5 1 280 Reviews
12
3
Problem 2

Explain how to find the deviation of an entry in a data set. What is the sumof all the deviations in any data set?

Step-by-Step Solution:
Step 1 of 3

# 9.26 # Variable selection (step wise selection) (Ch6) data=read.csv(file.choose()) data=data[-1] # x1:x7 are quantative factors # We will try to use all 7 independent varibales (predictors) to predict y (exclude the first column) m1=lm(y~.,data) # m1 is not adequate to predict y # Before fitting regression, check correlations first cor.test(data[,2], data[,3])$p.value cor.test(data[,2], data[,4])$p.value cor.test(data[,2], data[,5])$p.value cor.test(data[,2], data[,6])$p.value cor.test(data[,2], data[,7])$p.value # non is significant # try to apply coding procedure to minimize the standard error # create a new matrix and store the coding procedure variables data1=matrix(0,nrow(data), 8) for (j in 2:9){ data1[,j-1]=(data[,j]-mean(data[,j]))/sd(data[,j])

Step 2 of 3

Chapter 2.4, Problem 2 is Solved
Step 3 of 3

Textbook: Elementary Statistics: Picturing the World
Edition: 6
Author: Ron Larson; Betsy Farber
ISBN: 9780321911216

The full step-by-step solution to problem: 2 from chapter: 2.4 was answered by , our top Statistics solution expert on 08/25/17, 09:43AM. This full solution covers the following key subjects: . This expansive textbook survival guide covers 66 chapters, and 3049 solutions. The answer to “Explain how to find the deviation of an entry in a data set. What is the sumof all the deviations in any data set?” is broken down into a number of easy to follow steps, and 24 words. Since the solution to 2 from 2.4 chapter was answered, more than 273 students have viewed the full step-by-step answer. Elementary Statistics: Picturing the World was written by and is associated to the ISBN: 9780321911216. This textbook survival guide was created for the textbook: Elementary Statistics: Picturing the World , edition: 6.

Other solutions

People also purchased

Related chapters

Unlock Textbook Solution

Enter your email below to unlock your verified solution to:

Explain how to find the deviation of an entry in a data set. What is the sumof all the