00:01
So here in the first part, we need to specify what is the population and also the population parameter of interest.
00:08
So basically the population here is the generalization of the mean.
00:12
So we have that we are considering those who took the task.
00:16
So here will be all people.
00:19
So the population is always like the generalization.
00:23
So all people that took the test, in this case.
00:28
And we are here focused on the mean or the average, which is the same thing, in this case, score in the test.
00:41
Now in letter b we need to describe the sample and also the simple statistic for the study.
00:47
So basically the sample here will be those who, like, they were selected.
00:52
So we have in this sample some people that were taking this test, we have like a selected, in this case, selected people that took the test.
01:09
And because here i'm considering everybody.
01:12
Here i'm just considering a sample.
01:14
So just those who are selected.
01:16
And the sample statistic is the sample mean.
01:19
Because if the population parameter is the mean in the population, the statistic will be the same information but now in the sample.
01:30
So the sample mean score of these people.
01:34
That were selected.
01:36
Let us see here, we need to say for this study, what type was like this study...
