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A nurse claims that the variations of the lengths of newborn males is different from the variations of the lengths of newborn females. A sample
A nurse claims that the variations of the lengths of newborn males is different from the variations of the lengths of newborn females. A sample of 10 newborn males is selected and the standard deviation is 1.9 inches. The standard deviation of a sample of 11 newborn females is 0.9 inch. Testing the nurse's claim at= 0.05 which of the followingNOTcorrect?
a. | The critical value is 3.78. |
b. | The critical value is 3.02. |
c. | Reject the null hypothesis. |
d. | There is enough evidence to support the claim. |
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