



 
Hi Rachel, It looks like you are attempting to apply a two sample ttest where you only have one sample. You know the expected temperature μ_{0} and you want to test to see if the mean temperature for n = 5 days is significantly different than μ_{0}. You can test this hypothesis using the test statistic This statistic has the tdistribution with n  1 = 4 degrees of freedom. Harley  


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