Degrees of freedom
The one-sample t statistic from a sample of n = 15 observations for the two-sided test of
H0: u= 64
Ha: u=64
has the value t = 2.12.
What are the degrees of freedom for t?
A.14
B.26
C.27
D.25
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In one college, heights of male students are approximately normally distributed with a mean of 68 inches and standard deviation of 4 inches. A random sample of 36 students is obtained and the heights are recorded.The sample mean is calculated. Fi
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How would you not tell the difference between the three? Usinig the technique in the lab (we measured the samequantities of water using two different measuring devices andcompared them using a t test, and we also took the expected mass ofwater at
Is the value t = 2.12 statistically significant at the 10% level? At the 5% level?
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