×
Get Full Access to Essentials Of Probability & Statistics For Engineers & Scientists - 1 Edition - Chapter 8 - Problem 8.1
Get Full Access to Essentials Of Probability & Statistics For Engineers & Scientists - 1 Edition - Chapter 8 - Problem 8.1

×

# Six different machines are being considered for use in

ISBN: 9780321783738 193

## Solution for problem 8.1 Chapter 8

Essentials of Probability & Statistics for Engineers & Scientists | 1st Edition

• Textbook Solutions
• 2901 Step-by-step solutions solved by professors and subject experts
• Get 24/7 help from StudySoup virtual teaching assistants

Essentials of Probability & Statistics for Engineers & Scientists | 1st Edition

4 5 1 379 Reviews
12
4
Problem 8.1

Six different machines are being considered for use in manufacturing rubber seals. The machines are being compared with respect to tensile strength of the product. A random sample of four seals from each machine is used to determine whether the mean tensile strength varies from machine to machine. The following are the tensile-strength measurements in kilograms per square centimeter 101: Machine 123456 17.5 16.4 20.3 14.6 17.5 18.3 16.9 19.2 15.7 16.7 19.2 16.2 15.8 17.7 17.8 20.8 16.5 17.5 18.6 15.4 18.9 18.9 20.5 20.1 Perform the analysis of variance at the 0.05 level of significance and indicate whether or not the mean tensile strengths differ significantly for the six machines.

Step-by-Step Solution:
Step 1 of 3

1.1 Variable: a characteristic that varies from person to person, object to object, etc. Categorical: outcome/answer is a catagory Quantitative: outcome/answer is a number that represents a quantity Explanatory: explains the change in the response variable Response: changes based on the explanatory variable Case: is who/what we record the variable about Ex: The individual movie title in worksheet 1.1 1.2 Population: The whole group of specific individuals you are interested Sample: A small group drawn from the larger population Statistical Inference: How the sample data reflects on the greater population Sampling bias: occurs when the method of selecting the sample causes the sample to differ in some relevant way from the populat

Step 2 of 3

Step 3 of 3

#### Related chapters

Unlock Textbook Solution