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Unformatted text preview: lizards as an indication of a response of these juvenile lizards to the chemical cues of a viper snake exceeds 400 tongue flicks per 20 minutes. Seventeen juvenile lizards were exposed to the chemical cues of the viper snake. Their responses, in number of tongue flicks per 20 minutes, were recorded with a sample mean of 428.6 tongue flicks and a sample standard deviation of 190.0 tongue flicks. Test the Sci entists’ claim at a 0.05 level of significance. Assume the sample of 17 juvenile lizards is from a normal population. a. H : 400 400 b. H 1 : 400 400 400 400 c. Test Statistic = __ 0.62 ___(Round to two decimal places.) d. Reject Not Reject e. At a 0.05 significance level, there is (sufficient insufficient ) evidence to support the claim that the mean number of tongue flicks in juvenile lizards as an indication of a response of these juvenile lizards to the chemical cues of a viper snake exceeds 400 tongue flicks per 20 minutes....
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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