Nicotine Content of Cigarettes A manufacturer of cigarettes wishes to test the claim that the variance of the nicotine content of the cigarettes the company manufactures is equal to 0.638milligrams. The variance of a random sample of 25 cigarettes is 0.885 milligrams. At α=0.05 , test the claim. Assume that the variable is approximately normally distributed. Use the critical value method with tables. (a)State the hypotheses and identify the claim with the correct hypothesis. H0: claim/do not claim ▼(Choose one) H1: claim/do not claim ▼(Choose one) This hypothesis test is one tailed/two tailed(choose one) test. (b)Find the critical value(s). Round the answer
Nicotine Content of Cigarettes A manufacturer of cigarettes wishes to test the claim that the variance of the nicotine content of the cigarettes the company manufactures is equal to 0.638milligrams. The variance of a random sample of 25 cigarettes is 0.885 milligrams. At α=0.05 , test the claim. Assume that the variable is approximately normally distributed. Use the critical value method with tables. (a)State the hypotheses and identify the claim with the correct hypothesis. H0: claim/do not claim ▼(Choose one) H1: claim/do not claim ▼(Choose one) This hypothesis test is one tailed/two tailed(choose one) test. (b)Find the critical value(s). Round the answer
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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Nicotine Content of Cigarettes A manufacturer of cigarettes wishes to test the claim that the variance of the nicotine content of the cigarettes the company manufactures is equal to 0.638milligrams. The variance of a random sample of 25 cigarettes is 0.885 milligrams. At α=0.05
, test the claim. Assume that the variable is approximatelynormally distributed. Use the critical value method with tables.
, test the claim. Assume that the variable is approximately
(a)State the hypotheses and identify the claim with the correct hypothesis.
H0: claim/do not claim ▼(Choose one)
H1: claim/do not claim ▼(Choose one) This hypothesis test is one tailed/two tailed(choose one) test. |
|
(b)Find the critical value(s). Round the answers to three decimal places, if necessary. If there is more than one critical value, separate them with commas.
Critical value(s)
(c)Compute the test value. Round the answer to three decimal places.
X2=
(d)Make the decision.
Reject/do not reject▼(Choose one) the null hypothesis.
|
|
(e)Summarize the results.
There is ▼(Choose one) that the variance of the nicotine content is
0.638
|
|
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