Consider a Normally Distributed Population with Unknown Standard Deviation $t _ { \alpha / 2 }$

question 109

Multiple Choice

Consider a normally distributed population with unknown standard deviation.When computing a confidence interval for the population mean,the values $t _ { \alpha / 2 }$
And $z _ { \alpha / 2 }$
Will be close in value when

• A)the sample size is small.
• B)the sample size is large.
• C)the sample mean is small.
• D)the sample mean is large.
• E)the sample standard deviation is small.

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