a. Construct a 95% confidence interval for the population mean force. sus D (Round to the nearest integer as needed.)

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter1: Variables, Expressions, And Integers
Section1.5: Adding Integers
Problem 45E
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Force Data
1,896 1,735 1,687 1,625 1,607
1,853 1,697 1,701 1,662 1,702
1,849 1,740 1,757
1,686
1,769 1,568 1,681 1,595 1,660
1,890
1,793 1,823 1,762 1,752
1,687 1,842 1,656 1,734
1,845 1,797
0
I
Transcribed Image Text:Force Data 1,896 1,735 1,687 1,625 1,607 1,853 1,697 1,701 1,662 1,702 1,849 1,740 1,757 1,686 1,769 1,568 1,681 1,595 1,660 1,890 1,793 1,823 1,762 1,752 1,687 1,842 1,656 1,734 1,845 1,797 0 I
A manufacturing company produces electric insulators. You define the variable of interest as the strength of the
insulators. If the insulators break when in use, a short circuit is likely. To test the strength of the insulators, you carry out
destructive testing to determine how much force is required to break the insulators. You measure force by observing
how many pounds are applied to the insulator before it breaks. The accompanying data represent the amount of force
required to break a sample of 30 insulators. Complete parts (a) through (c) below.
Click the icon to view the data.
a. Construct a 95% confidence interval for the population mean force.
ο sus Π
(Round to the nearest integer as needed.)
Transcribed Image Text:A manufacturing company produces electric insulators. You define the variable of interest as the strength of the insulators. If the insulators break when in use, a short circuit is likely. To test the strength of the insulators, you carry out destructive testing to determine how much force is required to break the insulators. You measure force by observing how many pounds are applied to the insulator before it breaks. The accompanying data represent the amount of force required to break a sample of 30 insulators. Complete parts (a) through (c) below. Click the icon to view the data. a. Construct a 95% confidence interval for the population mean force. ο sus Π (Round to the nearest integer as needed.)
Expert Solution
Step 1

Answer:- Given sample data 

1896,1735,1687,1625,1607,1769,1568,1681,1595,1660,1853,1697,1701,1662,1702,1793,1823,1762,1752,1890,1849,1740,1757,1686,1845,1797,1687,1842,1656,1734 

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