Dogs are randomly selected to receive a rabies vaccine that has either been stored at the recommended temperature (2-8C) for 60 days or one that is stored at a higher temperature (25C) for 60 days. The dogs' immune response is measured after 28 days. There are 50 dogs in the recommended temperature group and 46 dogs in the higher temperature group. Assume the doses have unequal variances. Using the significance level of .05, test the claim that the two different doses will have the same mean immune response.

Dose Temperatures Sample size Sample (60 days) (11) Standard Deviation What cOnclusion should you make based on the given data? a. Reject H0 due to sufficient evidence and conclude that the mean immune response to the dose of rabies vaccine stored at 25C is different than the mean immune response to the dose of rabies vaccine stored at the recommended 2-8C temperature. Reject due to insufcient evidence and conclude that the mean immune response to the dose of rabies vaccine stored at 25C is dierent than the mean immune response to the dose of rabies vaccine stored at the recommended 2-8C temperature. Accept H0 due to sufcient evidence and conclude that that the mean immune response to the dose of rabies vaccine stored at 25C is the same as the mean immune response to the dose of rabies vaccine stored at the recommended 2-8C temperature. Fail to reject H0 due to insufcient evidence and conclude that the mean immune response to the dose of rabies vaccine stored at 25C is the same as the mean immune response to the dose of rabies vaccine stored at the recommended 2-8C temperature