Ap stats hard question

Test Preparation AP Test Preparation
1

<p>Can someone explain #40 in the MC section</p>

<p><a href=“http://www.kent.k12.oh.us/~ke_bmccombs/apstatsl/Exam%20review/2008%20released%20exam.PDF[/url]”>http://www.kent.k12.oh.us/~ke_bmccombs/apstatsl/Exam%20review/2008%20released%20exam.PDF&lt;/a&gt;&lt;/p&gt;

<p>I self-studied this course so I don’t have an in-depth conceptual understanding. These questions will be the hardest for me in the real test as well.</p>

2

<p>I would say C, not sure though.
Since n=2, not 1, the CLT with have a larger effect, start to normalize the distribution I guess. So a center would appear…?</p>

3

<p>yes the answer is C, but I still don’t understand the reasoning.</p>

4

<p>bump anyone?</p>