What are the correct hypotheses for this test? The null hypothesis is Ho: The alternative hypothesis is H, Calculate the value of the test statistic. (Round to three decimal places as needed.) Use technology to determine the P-value for the test statistic. The P-value is (Round to three decimal places as needed.) What is the correct conclusion at the a = 0.10 level of significance?
What are the correct hypotheses for this test? The null hypothesis is Ho: The alternative hypothesis is H, Calculate the value of the test statistic. (Round to three decimal places as needed.) Use technology to determine the P-value for the test statistic. The P-value is (Round to three decimal places as needed.) What is the correct conclusion at the a = 0.10 level of significance?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
!["he piston diameter of a certain hand pump is 0.8 inch. The manager determines that the diameters are normally distributed, with a mean of 0.8 inch and a standard deviation
of 0.005 inch. After recalibrating the production machine, the manager randomly selects 26 pistons and determines that the standard deviation is 0.0035 inch. Is there
significant evidence for the manager to conclude that the standard deviation has decreased at the a = 0.10 level of significance?
What are the correct hypotheses for this test?
The null hypothesis is H,:
The alternative hypothesis is H,:
Calculate the value of the test statistic.
x = (Round to three decimal places as needed.)
Use technology to determine the P-value for the test statistic.
The P-value is.
(Round to three decimal places as needed.)
What is the correct conclusion at the a = 0.10 level of significance?
V the null hypothesis. There
V sufficient evidence to conclude that the standard deviation has
Since the P-value is
than the level of significance,
decreased at the 0.10 level of significance](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0a7f8909-709e-4c9a-9290-d7c1508ad887%2F0aa31752-e1e9-4d00-b576-32d2d6f54b9b%2Fwwxj6w7_processed.jpeg&w=3840&q=75)
Transcribed Image Text:"he piston diameter of a certain hand pump is 0.8 inch. The manager determines that the diameters are normally distributed, with a mean of 0.8 inch and a standard deviation
of 0.005 inch. After recalibrating the production machine, the manager randomly selects 26 pistons and determines that the standard deviation is 0.0035 inch. Is there
significant evidence for the manager to conclude that the standard deviation has decreased at the a = 0.10 level of significance?
What are the correct hypotheses for this test?
The null hypothesis is H,:
The alternative hypothesis is H,:
Calculate the value of the test statistic.
x = (Round to three decimal places as needed.)
Use technology to determine the P-value for the test statistic.
The P-value is.
(Round to three decimal places as needed.)
What is the correct conclusion at the a = 0.10 level of significance?
V the null hypothesis. There
V sufficient evidence to conclude that the standard deviation has
Since the P-value is
than the level of significance,
decreased at the 0.10 level of significance
Expert Solution
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Given information
It is given that
Sample size n = 26
Sample SD s = 0.0035
Level of significance = 0.10
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