Drexel dragonThe Math ForumDonate to the Math Forum



Search All of the Math Forum:

Views expressed in these public forums are not endorsed by Drexel University or The Math Forum.


Math Forum » Discussions » Courses » ap-stat

Topic: sample MC questions
Replies: 0  

Advanced Search

Back to Topic List Back to Topic List  
Josh Tabor

Posts: 34
Registered: 12/6/04
sample MC questions
Posted: Nov 14, 1996 12:33 AM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

Since we are all in the same boat (no sample AP tests) it would be a
great idea if each AP Stats teacher would contribute a couple sample
multiple choice questions for everyone to share. If we all do this, we
could develop quite a nice test bank. To set a good example, here are
four that I created/modified. Please let me know if you think they are
too easy or have any other problems. I hope this will encourage other
teachers to contribute. It would sure help me out quite a bit.

On a side note, I recently assigned a bivariate data project to my kids
and had to veto almost half of their initial topics. It is really
important to discuss their topics with them ahead of time so they do
not analyze categorical data or waste time collecting other useless
data.

Josh Tabor
Wilson HS
Hacienda Heights, CA

1. The population of a bacteria colony is determined to grow
exponentially. An alert statistician transforms the data by taking the
log (base 10) of the population. The least squares regression line is
y = 0.25 + .5x for the transformed data (x = time in hours). What
would the population be after 4 hours (to 2 decimal places)?

a. 2.25 b. 5.06 c. 177.83 d. 0.35 e. none of these



2. Which of the following should be considered outliers?
I. a point with a z-score of 3.9
II. a point that is 1 IQR above Q3
III. a value of 17 from N(5,3)

a. I b. II c. III d. I and III e. II and III



3. Which of the following measures is resistant?

a. mean b. Q1 c. variance d. minimum e. standard deviation



[pictured here should be two identical bell shaped histograms. #1 has
a range of 1-10 and #2 has a range of 11-20]

4. According to the histograms above, ,which of the following is true?
a. mean1 = mean2, var1 = var2
b. mean1 > mean2, var1 = var2
c. mean1 < mean2, var1 = var2
d. mean1 < mean2, var1 < var2
e. mean1 < mean2, var1 > var2





Point your RSS reader here for a feed of the latest messages in this topic.

[Privacy Policy] [Terms of Use]

© Drexel University 1994-2014. All Rights Reserved.
The Math Forum is a research and educational enterprise of the Drexel University School of Education.