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In a PH modeling agency, a researcher wishes to see if the average height of female models is really less than 67 inches, as the chief claims. A sample of 32 models has an average height of 66.3 inches. The standard deviation of the sample is 1.9 inches. At a = 0.05, is the average height of the models really less than 67 inches?   Use the P-value hypothesis-testing method. State the hypotheses and identify the claim.   4. Type of Test:    - tailed test (Choose the letter of the best answer) A. Right     B. Left     C. Two   Compute the test value. 5. Test Value =    (Type the exact answer)   Find the P-value 6. P-value:    (Type the exact answer)

In a PH modeling agency, a researcher wishes to see if the average height of female models is really less than 67 inches, as the chief claims. A sample of 32 models has an average height of 66.3 inches. The standard deviation of the sample is 1.9 inches. At a = 0.05, is the average height of the models really less than 67 inches?   Use the P-value hypothesis-testing method. State the hypotheses and identify the claim.   4. Type of Test:    - tailed test (Choose the letter of the best answer) A. Right     B. Left     C. Two   Compute the test value. 5. Test Value =    (Type the exact answer)   Find the P-value 6. P-value:    (Type the exact answer)

Calculus For The Life Sciences
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.2: Expected Value And Variance Of Continuous Random Variables
Problem 10E
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In a PH modeling agency, a researcher wishes to see if the average height of female models is really less than 67 inches, as the chief claims. A sample of 32 models has an average height of 66.3 inches. The standard deviation of the sample is 1.9 inches. At a = 0.05, is the average height of the models really less than 67 inches?

 

Use the P-value hypothesis-testing method.

State the hypotheses and identify the claim.

 

4. Type of Test:    - tailed test (Choose the letter of the best answer)

A. Right     B. Left     C. Two

 

Compute the test value.

5. Test Value =    (Type the exact answer)

 

Find the P-value

6. P-value:    (Type the exact answer)

 

 

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