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Svetach [21]
3 years ago
12

A neurologist is testing the effect of a drug on response time by injecting 100 rats with a unit does of the drug, subjecting ea

ch to neurological stimulus and recording its response time. The neurologist knows that the mean response time for rats not injected with the drug is 1.2 seconds. The mean of the 100 injected rats response times is 1.05 seconds with a sample standard deviation of 0.5 seconds. Do you think that the drug has an effect on response time?
Health
1 answer:
seropon [69]3 years ago
4 0
Yes. The drug appears to speed up the rats’ reaction time from 1.20 seconds to 1.05 seconds. The effect on response time is not very drastic, though.
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