An obstetrician read that a newborn baby loses on average 7 ounces in the first two days
Question:
An obstetrician read that a newborn baby loses on average 7 ounces in the first two days of his or her life. He feels that in the hospital where he works, the average weight loss of a newborn baby is less than 7 ounces. A random sample of 32 newborn babies has a mean weight loss of 6.5 ounces. The population standard deviation is 1.8 ounces. Is there enough evidence at α = 0.01 to support his claim?
Step by Step Answer:
H 0 7 H 1 7 claim C V 233 Do not reject the nul...View the full answer
Elementary Statistics A Step By Step Approach
ISBN: 9781259755330
10th Edition
Authors: Allan G. Bluman
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