00:01
Hi, i'm david and i'm here to have you and see your question.
00:03
Now let me bring up your question here.
00:06
In this question here, we are going to discuss about the sampling distribution of the sample mean.
00:12
Let me remind you that if we have the n greater equal to the 30, and then the same means x -pile could be approximately to the normal, where the mean of the x -par equals to the mean on the population, standard division of the x -par equal to the standard deviation of the population, the venet biscuit of n.
00:32
In this question here, a paper in the american statistic focused on birth weight of babies.
00:39
According to the article, the mean birth weight is 3 ,369 grams, with the standard division of the 5181 grams.
00:51
The question i asked me to identify the population.
00:55
So the population here is the...
01:01
The new baby born in american...