Problems from textbook: 10. To evaluate the effect of a treatment, a sample of n= 8 is obtained from a population with a mean of u= 40, and the treatment is administered to the individuals in the sample. After treatment, the sample mean is found to be M=35. (a.) If the sample variance is s = 32, are the data sufficient to conclude that the treatment has a significant effect using a two-tailed test with a= .05? %3D -40 M=35

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Is #7 2.365? It seems to be from the table but I think I'm wrong and don't understand why

Problems from textbook:
10. To evaluate the effect of a treatment, a sample of n= 8 is obtained from a population with a mean of u= 40,
and the treatment is administered to the individuals in the sample. After treatment, the sample mean is found to
be M=35. (a.) If the sample variance is s = 32, are the data sufficient to conclude that the treatment has a
significant effect using a two-tailed test with a= .05?
%3D
-40
M=35
Transcribed Image Text:Problems from textbook: 10. To evaluate the effect of a treatment, a sample of n= 8 is obtained from a population with a mean of u= 40, and the treatment is administered to the individuals in the sample. After treatment, the sample mean is found to be M=35. (a.) If the sample variance is s = 32, are the data sufficient to conclude that the treatment has a significant effect using a two-tailed test with a= .05? %3D -40 M=35
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