Question
In: Statistics and Probability
Test the given claim. Assume that a simple random sample is selected from a normally distributed...
Test the given claim. Assume that a simple random sample is selected from a normally distributed population. Use either the P-value method or the traditional method of testing hypotheses. Company A uses a new production method to manufacture aircraft altimeters. A simple random sample of new altimeters resulted in errors listed below. Use a 0.05 level of significance to test the claim that the new production method has errors with a standard deviation greater than 32.2 ft, which was the standard deviation for the old production method. If it appears that the standard deviation is greater, does the new production method appear to be better or worse than the old method? Should the company take any action?
-43, 75, -25, -70, -42, 15,18,53,-5,-53, -109, -109
a What are the null and alternative hypotheses?
b Find the test statistic.
c Determine the critical value(s).
Solutions
orchestra answered 1 year agoRelated Solutions
Test the given claim. Assume that a simple random sample is selected from a normally distributed...
Test the given claim. Assume that a simple random sample is
selected from a normally distributed population. Use either the
P-value method or the traditional method of testing hypotheses.
Company A uses a new production method to manufacture aircraft
altimeters. A simple random sample of new altimeters resulted in
errors listed below. Use a 0.05 level of significance to test the
claim that the new production method has errors with a standard
deviation greater than 32.2 ft, which was the...
Test the given claim. Assume that a simple random sample is selected from a normally distributed...
Test the given claim. Assume that a simple random sample is
selected from a normally distributed population. Use either the
P-value method or the traditional method of testing hypotheses.
Company A uses a new production method to manufacture aircraft
altimeters. A simple random sample of new altimeters resulted in
errors listed below. Use a 0.05 level of significance to test the
claim that the new production method has errors with a standard
deviation greater than 32.2 ft, which was the...
Test the given claim. Assume that a simple random sample is selected from a normally distributed...
Test the given claim. Assume that a simple random sample is
selected from a normally distributed population. Use either the
P-value method or the traditional method of testing hypotheses.
Company A uses a new production method to manufacture aircraft
altimeters. A simple random sample of new altimeters resulted in
errors listed below. Use a 0.05 level of significance to test the
claim that the new production method has errors with a standard
deviation greater than 32.2 ft, which was the...
Test the given claim. Assume that a simple random sample is selected from a normally distributed...
Test the given claim. Assume that a simple random sample is
selected from a normally distributed population. Use either the
P-value method or the traditional method of testing hypotheses.
Company A uses a new production method to manufacture aircraft
altimeters. A simple random sample of new altimeters resulted in
errors listed below. Use a 0.05 level of significance to test the
claim that the new production method has errors with a standard
deviation greater than 32.2 ft, which was the...
Test the given claim. Assume that a simple random sample is selected from a normally distributed...
Test the given claim. Assume that a simple random sample is
selected from a normally distributed population. Use either
the P-value method or the traditional method of testing hypotheses.
Company A uses a new production method to manufacture aircraft
altimeters. A simple random sample of new altimeters resulted in
errors listed below. Use a 0.05 level of significance to test the
claim that the new production method has errors with a standard
deviation greater than 32.2 ft, which was the...
Test the given claim. Assume that a simple random sample is selected from a normally distributed...
Test the given claim. Assume that a simple random sample is
selected from a normally distributed population. Use either the
P-value method or the traditional method of testing hypotheses.
Company A uses a new production method to manufacture aircraft
altimeters. A simple random sample of new altimeters resulted in
errors listed below. Use a 0.05 level of significance to test the
claim that the new production method has errors with a standard
deviation greater than 32.2 ft, which was the...
Test the given claim: Assume that a simple random sample is selected from a normally distributed...
Test the given claim: Assume that a simple random sample is
selected from a normally distributed population. Use either the
P-value method or the traditional method of testing hypotheses
Company A uses a new production method to manufacture aircraft
altimeteers. A simple random sample of new altimeters resulted in
errors listed below. Use a 0.05 level of significance to test the
claim that the new production method has errors with a standard
deviation greater than 32.2 ft, which was the...
Test the given claim. Assume that a simple random sample is selected from a normally distributed...
Test the given claim. Assume that a simple random sample is
selected from a normally distributed population. Use either the
P-value method or the traditional method of testing hypotheses.
Company A uses a new production method to manufacture aircraft
altimeters. A simple random sample of new altimeters resulted in
errors listed below. Use a 0.05 level of significance to test the
claim that the new production method has errors with a standard
deviation greater than 32.2 ft, which was the...
Assume that a simple random sample has been selected from a normally distributed population and test...
Assume that a simple random sample has been selected from a
normally distributed population and test the given claim. Identify
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