A random sample of n=4 individuals is selected from a population with μ=35, and a treatment is administered to each individual in the sample. After treatment, the sample mean is found to be M=40.1 with SS=48 .Which of the following is true?Group of answer choices t=2.55 and the treatment does not have an effect degrees of freedom are equal to 4 t=2.55 and the treatment has an effect the critical value of t is 2.55

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