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Unformatted text preview: 1 hour. A simple random sample of 35 Americans 15 years and older yielded a mean of 1.23 hours with a population standard deviation for the amount of time spent eating or drinking of 0.65 hours. Test the researchers claim at a 0.05 significance level. Assume the sample of 35 American 15 years and older is from a normal population a. H : μ = __ 1 ___ b. H 1 : μ __ 1 ____ c. Test Statistic = __ 2.09 ___(Round to two decimal places.) d. p-value = ___ 0.0366 __(Round to four decimal places.) e. At a 0.05 significance level, there is ( sufficient insufficient) evidence to support the claim that the mean amount of time spent eating or drinking each day differs from 1 hour....
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This note was uploaded on 02/14/2011 for the course STAT 250 taught by Professor Sims during the Spring '08 term at George Mason.
- Spring '08