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Cerritos College *
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Course
112
Subject
Mathematics
Date
Apr 3, 2024
Type
Pages
4
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Math 112 – Spring 2024
NAME ……………………………………………
Exam 1: Non-Proctored Part
50 pts total: Show all work to receive full credit for each question!
Due
: Tuesday, February 27, 11:59 pm .
Here's the deal: You are welcome to receive help from tutors, classmates, your text, online support, me! But
whatever you write on your exam must be something that YOU own. (Meaning if I ask you to explain your
work, you had better know your stuff.)
Remember, you can even ask instructors and tutors for tips or to check your work! Please list any references
and/or sources you used while working this exam. This includes teachers, tutors, and fellow classmates!
For
open-ended questions, you should not have the same exact response as any other student.
References/Sources
1.
(8 pts) Find an article online that includes a scientific study that you found interesting. Paste a link to your
article below. Summarize the experiment(s) in a sentence or two. Identify any observational unit(s) and
variable(s) mentioned in the study.
_____________________________________________________________________
________________________________________________________________________
________________________________________________________________________
______________________________________________________________________
page 1 of 4
2.
(7 pts) Do the flipgrid portion of the assignment found in the Exam 1 module on Canvas.
Make up your
own mean and standard deviation for your distribution.
Write “DONE” in the space below if it has
been completed.
3.
(20 pts)
The
Super Bowl
is the annual championship game of the National Football League (NFL) and the
American Football League (AFL) played in early February. In our StatCrunch group, find and open the data
set “Superbowl Results with Home/Visitor Points Scored.”
a.
(3 pts) Using “Winning Score” as the x-variable and “Margin of Victory” as the y-variable, create a
Scatterplot in StatCrunch. Highlight one point on the plot and then paste the scatterplot below:
i.
(2 pts) Interpret the point that you highlighted above. (i.e., What information does that point
give you?)
________________________________________________________________________
ii.
(6 pts) Summarize the trend, shape, and strength of the data.
_________________________________________________________________________________________
____________
b.
(3 pts) Using “AFL Score” as the x-variable and “NFL Score” as the y-variable, and overlaying a
polynomial of order 1 (where c0 = 0 and c1 = 1) create another Scatterplot in StatCrunch that
includes the graph of the line
y = x
. Paste the graph below:
i.
(2 pts) Based on your graph, does it appear that either the AFL or NFL dominates the
championship Super Bowl game? Explain your reasoning.
ii.
(1 pts) What can you say about the Super Bowl games that fall near the x-axis?
(1 pts) What can you say about the Super Bowl games that fall near the line
y = x
?
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