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TABLE 9-4
A drug company is considering marketing a new local anesthetic.The effective time of the anesthetic the drug company is currently producing has a normal distribution with a mean of 7.4 minutes with a standard deviation of 1.2 minutes.The chemistry of the new anesthetic is such that the effective time should be normally distributed with the same standard deviation,but the mean effective time may be lower.If it is lower,the drug company will market the new anesthetic; otherwise,they will continue to produce the older one.A sample size of 36 results in a sample mean of 7.1.A hypothesis test will be done to help make the decision.
-True or False: Referring to Table 9-4,if the level of significance had been chosen as 0.05,the company would market the new anesthetic.
Statistical Procedure
A sequence of operations applied to a set of data to extract information, assess assumptions or test hypotheses.
Pseudoscience
Practices, beliefs, or methodologies that claim to be scientific and factual but lack empirical evidence, scientific method, or are incompatible with scientific research.
Sample Size
The number of individuals or observations used in a survey or scientific study, which can significantly impact the reliability and validity of the study's conclusions.
Psychological Studies
Research in psychology that aims to understand human behavior and mental processes through scientific methods.
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