The statistic 
) when the sampled population is normal is Student t distributed with n degrees of freedom.
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Q22: For a t distribution with 12 degrees
Q194: The "shape" of the t-distribution changes as
Q195: If a sample has 15 observations and
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Q197: Regardless of the degrees of freedom, every
Q198: A 90% confidence interval estimate for the
Q200: If a sample of size 15 is
Q202: If you wish to estimate with 95%
Q203: Which of the following correctly describes degrees
Q204: Which of the following statements is true
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