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Unformatted text preview: 3. The average GPA for psychology graduate students is 3.43. The incoming class of 10 new graduate students has an average GPA of 3.60 with a sample standard deviation of 0.15. Is this samples average GPA significantly different (at an alpha level of 0.05) from the average GPA for psychology graduate students? (9 points) 4. Using the "CARS" dataset on SPSS, provide only the mean , mode , range , and standard error scores of the variable "Engine". Please provide an SPSS output file. (4 points) 5. Using the "CARS" dataset on SPSS, is the average vehicle weight significantly different than 2975 lbs? For this problem, please provide your answer in APA format. Also, provide the SPSS output file. (9 points)...
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- Fall '08