Assume that a simple random sample has been selected from a normally distributed population and test the given claim. Identify the null and alternative hypotheses, test statistic, P-value, and state the final conclusion that addresses the original claim. A simple random sample of 2525 filtered 100 mm cigarettes is obtained, and the tar content of each cigarette is measured. The sample has a mean of 19.419.4 mg and a standard deviation of 3.143.14 mg. Use a 0.050.05 significance level to test the claim that the mean tar content of filtered 100 mm cigarettes is less than 21.121.1 mg, which is the mean for unfiltered king size cigarettes. What do the results suggest, if anything, about the effectiveness of the filters? What are the hypotheses? A. Upper H 0H0: muμgreater than>21.121.1 mg Upper H 1H1: muμless than<21.121.1 mg B. Upper H 0H0: muμequals=21.121.1 mg Upper H 1H1: muμgreater than or equals≥21.121.1 mg C. Upper H 0H0: muμless than<21.121.1 mg Upper H 1H1: muμgreater than or equals≥21.121.1 mg D. Upper H 0H0: muμequals=21.121.1 mg Upper H 1H1: muμless than<21.121.1 mg Your answer is correct. Identify the test statistic. tequals=nothing (Round to three decimal places as needed.) What is the P-Value?
Assume that a simple random sample has been selected from a normally distributed population and test the given claim. Identify the null and alternative hypotheses, test statistic, P-value, and state the final conclusion that addresses the original claim. A simple random sample of 2525 filtered 100 mm cigarettes is obtained, and the tar content of each cigarette is measured. The sample has a mean of 19.419.4 mg and a standard deviation of 3.143.14 mg. Use a 0.050.05 significance level to test the claim that the mean tar content of filtered 100 mm cigarettes is less than 21.121.1 mg, which is the mean for unfiltered king size cigarettes. What do the results suggest, if anything, about the effectiveness of the filters? What are the hypotheses? A. Upper H 0H0: muμgreater than>21.121.1 mg Upper H 1H1: muμless than<21.121.1 mg B. Upper H 0H0: muμequals=21.121.1 mg Upper H 1H1: muμgreater than or equals≥21.121.1 mg C. Upper H 0H0: muμless than<21.121.1 mg Upper H 1H1: muμgreater than or equals≥21.121.1 mg D. Upper H 0H0: muμequals=21.121.1 mg Upper H 1H1: muμless than<21.121.1 mg Your answer is correct. Identify the test statistic. tequals=nothing (Round to three decimal places as needed.) What is the P-Value?
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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Assume that a simple random sample has been selected from a normally distributed population and test the given claim. Identify the null and alternative hypotheses, test statistic, P-value, and state the final conclusion that addresses the original claim.
A simple random sample of
2525
filtered 100 mm cigarettes is obtained, and the tar content of each cigarette is measured. The sample has a mean of
19.419.4
mg and a standard deviation of
3.143.14
mg. Use a
0.050.05
significance level to test the claim that the mean tar content of filtered 100 mm cigarettes is less than
21.121.1
mg, which is the mean for unfiltered king size cigarettes. What do the results suggest, if anything, about the effectiveness of the filters?What are the hypotheses?
Upper H 0H0:
muμgreater than>21.121.1
mgUpper H 1H1:
muμless than<21.121.1
mgUpper H 0H0:
muμequals=21.121.1
mgUpper H 1H1:
muμgreater than or equals≥21.121.1
mgUpper H 0H0:
muμless than<21.121.1
mgUpper H 1H1:
muμgreater than or equals≥21.121.1
mgUpper H 0H0:
muμequals=21.121.1
mgUpper H 1H1:
muμless than<21.121.1
mgIdentify the test statistic.
tequals=nothing
(Round to three decimal places as needed.)What is the P-Value?
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