Consumer Research reported information on the time required
Consumer Research reported information on the time required for caffeine from products such as
coffee and soft drinks to leave the body after consumption. Suppose that the 95% confidence
interval estimate of the population mean time for adults is from 5.6 hours to 6.4 hours. What is
the point estimate of the mean time for caffeine to leave the body of adults after consumption?
Solution
Consumer Research reported information on the time required for caffeine from products such as
coffee and soft drinks to leave the body after consumption. Suppose that the 95% confidence
interval estimate of the population mean time for adults is from 5.6 hours to 6.4 hours. What is
the point estimate of the mean time for caffeine to leave the body of adults after consumption?
Ans.:
Mean=(5.6+6.4)/2= 6 hours
