Homework Help is Here – Start Your Trial Now!
Math
Statistics
Q9) A machine fills 12-ounce bottles with soda. For the machine to function properly the standard deviation of the sample must be less than or equal t o 0.03 ounce. A sampl of eight bottles is selected, and the number of ounces of soda in each bottle is giver At a = 0.01, can we reject the claim that the machine is functioning properly? Use th P-value method. Find the 99% confidence level of the population variance. Does th

Q9) A machine fills 12-ounce bottles with soda. For the machine to function properly the standard deviation of the sample must be less than or equal t o 0.03 ounce. A sampl of eight bottles is selected, and the number of ounces of soda in each bottle is giver At a = 0.01, can we reject the claim that the machine is functioning properly? Use th P-value method. Find the 99% confidence level of the population variance. Does th

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
See similar textbooks
icon
Related questions
Question
Please solution only Q9 and write papers please
Q9) A machine fills 12-ounce bottles with soda. For the machine to function properly, the standard deviation of the sample must be less than or equal t o 0.03 ounce. A sample of eight bottles is selected, and the number of ounces of soda in each bottle is given. At a = 0.01, can we reject the claim that the machine is functioning properly? Use the P-value method. Find the 99% confidence level of the population variance. Does the confidence interval interpretation agree with the results of the hypothesis test? 12.03 12.10 12.02 11.98 12.00 12.05 11.97 11.99 Q10) A researcher wishes to see if there is a difference in the cholesterol levels of two groups of men. A random sample of 30 men between the ages of 25 and 40 is selected and tested. The average level is 223.Asecond sample of 25 men between the ages of 41 and 56 is selected and tested. The average of this group is 229. The population standard deviation for both groups is 6.At a = 0.01, is there a difference in the cholesterol levels between the two groups? Find the 99% confidence interval for the difference of the two means. Q11) A researcher wants to compare the variances of the heights (in inches) of four year college basketball players with those of players in junior colleges. A sample of 30 players from each type of school is selected, and the variances of the heights for each type are 2.43 and 3.15, respectively. At a = 0.10, is there a significant difference between the variances of the heights in the two types of schools? Find the 90% confidence interval for the difference of the variances. Q12) In a sample of 80 workers from a factory in city A, it was found that 5% were unable to read, while in a sample of 50 workers in city B, 8% were unable to read. Can it be concluded that there is a difference in the proportions of nonreaders in the two cities? Use a = 0.10. Find the 90% confidence interval for the difference of the two proportions.
Transcribed Image Text:Q9) A machine fills 12-ounce bottles with soda. For the machine to function properly, the standard deviation of the sample must be less than or equal t o 0.03 ounce. A sample of eight bottles is selected, and the number of ounces of soda in each bottle is given. At a = 0.01, can we reject the claim that the machine is functioning properly? Use the P-value method. Find the 99% confidence level of the population variance. Does the confidence interval interpretation agree with the results of the hypothesis test? 12.03 12.10 12.02 11.98 12.00 12.05 11.97 11.99 Q10) A researcher wishes to see if there is a difference in the cholesterol levels of two groups of men. A random sample of 30 men between the ages of 25 and 40 is selected and tested. The average level is 223.Asecond sample of 25 men between the ages of 41 and 56 is selected and tested. The average of this group is 229. The population standard deviation for both groups is 6.At a = 0.01, is there a difference in the cholesterol levels between the two groups? Find the 99% confidence interval for the difference of the two means. Q11) A researcher wants to compare the variances of the heights (in inches) of four year college basketball players with those of players in junior colleges. A sample of 30 players from each type of school is selected, and the variances of the heights for each type are 2.43 and 3.15, respectively. At a = 0.10, is there a significant difference between the variances of the heights in the two types of schools? Find the 90% confidence interval for the difference of the variances. Q12) In a sample of 80 workers from a factory in city A, it was found that 5% were unable to read, while in a sample of 50 workers in city B, 8% were unable to read. Can it be concluded that there is a difference in the proportions of nonreaders in the two cities? Use a = 0.10. Find the 90% confidence interval for the difference of the two proportions.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
Matrix Operations
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman
SEE MORE TEXTBOOKS