Suppose X is a random variable with X - N(30, 8²) and let • H =the mean of X me = the median of X mo = the mode of X

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Suppose X is a random variable with
X ~ N(30, 82)
and let
• u = the mean of X
me = the median of X
mo = the mode of X
Transcribed Image Text:Suppose X is a random variable with X ~ N(30, 82) and let • u = the mean of X me = the median of X mo = the mode of X
Let
X = sample mean of size n
when we draw a random sample from the population specified above. According to the sampling distribution of X we know that:
True False
If you increase n, the observed sample mean, , will always get closer to u = 30.
X always has a normal distribution.
The mean of X is u = 30.
The standard deviation of X is o = 8.
Во ооо
O O O O
Transcribed Image Text:Let X = sample mean of size n when we draw a random sample from the population specified above. According to the sampling distribution of X we know that: True False If you increase n, the observed sample mean, , will always get closer to u = 30. X always has a normal distribution. The mean of X is u = 30. The standard deviation of X is o = 8. Во ооо O O O O
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