Well, here I'm a little bit below 100 and in two, and test one a little bit below 100 as well.
好了我现在在试验2中有一个小于100的数,而实验1也得到了一个小于100的数。
So the test on the left, you'll remember, was the one with test one, I believe, was the uniform distribution, and test two is the Gaussian.
所以左边的测试,你得记得就是均匀分布,而第二个测试是高斯分布。
There will be a test on Tuesday ; based on homework one; ten minutes at the beginning of the recitation.
在周二,将会有一个测验,基于你们的第一份作业;,在背诵课的前10分钟。
And one reason why we know that is in studies like the IAT, the Implicit Attitudes Test.
之所以这样说,是因为,像内隐态度测试这样的实验。
Okay. Those of you who have your clickers let's pull them out, what I'd like you to do, if anybody doesn't have your clicker yet, please bring it to class. Please get one and bring it to class and we're only going to do one these exercise with the clickers today just as a test, but in subsequent classes we'll be using them quite a lot.
好,带了表决器的人把它拿出来,如果有人还没有表决器,我希望,你能弄一个然后把它带到课上,我们今天只要用表决器做一个测试,但之后的课中我们将多次使用到它
test two, it's a little bit over 100, and for test one it's way over 100.
在试验2中比一百稍大,而在试验1中比100大得多。
And in test one it's a little bit above 100.
而在测试1中它的值应该稍高一点。
Is there a limit to the type of calculator one can use during the test?
我们能在测试中使用的计算器,有没有什么限制?
All right? The first one is, that test has to involve-- shouldn't have to, the value of some variable.
好不好?第一件事是,循环开始的测试必须必须-不是一定,一些变量的值。
I've got one test there, and then I've just got one thing to do here, which has got a subtraction and a multiplication.
这儿有一个比较,然后在一个基本步骤里,做了一个减法和一个乘法两个基本操作。
Well, let's do the smoke test number one: is the mean more or less what we expected?
好了,让我们先做1号发烟测试:,这个平均值是和我们想要的答案差不多吗?
They're inside that loop-I've got the wrong glasses so I'm going to have to squint- and we've got one test which is a comparison we've got another test which is a multiplication-- sorry, not a test, we've got - another step which is a multiplication- and another step that is a subtraction.
他们在循环里面呢,我带错眼镜了所以不得不斜视-,然后我们这里有一个比较的测试,还有一个乘法的测试,-对不起,不是测试,是另外一个乘法的步骤-,还有一个减法的步骤。
I've got one test, I've got a subtraction, I've got a multiplication, that's three steps, plus whatever number of steps it takes to solve a problem of size b minus 1.
我进行了一次比较,一次减法,一次乘法,一共是三个步骤,再加上t的步骤数。
Well, one answer is because what I-- how I score on that test isn't going to tell you anything about me It's not going to relate to my grades It's not going to relate to how well I'm liked ? How do we know the SAT is useful?
一个原因是,我在那个测试中的得分,不会透露出任何我的信息,与我的学习成绩无关,也不会说明我有多受欢迎,我们怎么知道SAT有没有用?
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