According to the National Association of Home Builders, the average cost of building a home in the Northeast is $117.91 per square foot. A random sample of 38 new homes indicated that the mean cost was $123.87 and the standard deviation was $17. Can it be concluded that the mean cost differs from $117.91, using the 0.10 level of significance?         A.) State the hypotheses and identify the claim with the correct hypothesis. H0: H1:     B.) Find the critical value(s).     C.) Compute the test value. z=     D.) Make the decision. ________ the null hypothesis.     E.) Summarize the results.

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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According to the National Association of Home Builders, the average cost of building a home in the Northeast is $117.91 per square foot. A random sample of 38 new homes indicated that the mean cost was $123.87 and the standard deviation was $17. Can it be concluded that the mean cost differs from $117.91, using the 0.10 level of significance?

 

 
 
 
A.) State the hypotheses and identify the claim with the correct hypothesis.

H0:

H1:

 

 

B.) Find the critical value(s).

 

 

C.) Compute the test value.

z=

 

 

D.) Make the decision.

________ the null hypothesis.

 

 

E.) Summarize the results.
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