Search All of the Math Forum:
Views expressed in these public forums are not endorsed by
NCTM or The Math Forum.


Math Forum
»
Discussions
»
Courses
»
apstat
Notice: We are no longer accepting new posts, but the forums will continue to be readable.
Topic:
[apstat] test questions YMS 3rd E
Replies:
0




[apstat] test questions YMS 3rd E
Posted:
Sep 27, 2010 5:54 PM


I have two questions about two different test question for YMS 3E.
The two questions come from chapter 2.
>From Test 2B, Question 6
Which of the following is (are) a true statement? I. The area under a Normal curve is always 1, regardless of the mean and standard deviation. II. The mean is always equal to the median for any Normal distribution. III. The interquartile range for any Normal curve extends from to . (a) I and II (b) I and III (c) II and III (d) I, II, and III (e) None of the above gives the correct set of true statements.
Why is the answer (a) and not (d)?
>From Test 2C, Question 7
The standard deviation of this Normal distribution is (a) 0 (b) 1 (c) 2 (d) 3 (e) 5
Why is the answer (d)?
Frequently asked questions (FAQ: http://www.mrderksen.com/faq.htm List Archives from 1994: http://mathforum.org/kb/forum.jspa?forumID=67  To search the list archives for previous posts go to http://lyris.collegeboard.com/read/?forum=apstat To unsubscribe click here: http://lyris.collegeboard.com/read/my_forums/ To change your subscription address or other settings click here: http://lyris.collegeboard.com/read/my_account/edit



