.3321
Fa 2006 MidTerm #1
Closed book & notes; only an A4-size formula sheet and a calculator allowed;
Instructions: There are seven pages (one cover and six pages with questions) in this exam.
Please inspect the exam and make sure you have all, 7 pages. Y

MainQ’l Sfrinea, 2—013 MET (i. Sci-mﬂGﬁS
Question 1
a) Consider the following stern and leaf display for a data set of exam scores.
Find the 60‘“ percentile, the range, and the interquartile range. Also ﬁnd the relative
frequency of students with scores a

gPeee% QOlg gmeﬁ Exam “Q‘DLUMQWS
Question 1. (20 points) The probability density function f (x) of a random variable X is given as
follows:
f(x)=~éfor0<x<2,f(x)=w;~ for2<x<4, and f(x)=0eisewhere.
Him: The sketch is below.
The expected value of X is I ,a

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Math 201: Statistics . March 30. EDD?
Spring 2007 Midterm #1
Closed book 8: notes; only an A-i-size formula sheet and a calullator allowed:
100 minutes. No questions accepted! .
W: There are seven pages (one cover and six pages with questions) in this e

Math 201: Statistics K EV October 20, 2007
Fall 2007 Midterm #1
4Closed book & notes; only an A4—size formula sheet and a calculator allowed;
120 minutes. No questions accepted!
Instructions: There are eight pages (one cover and seven pages with questions

Math 201: Statistics December 5, 2013
Fall 2013, EXAM 2 -, ‘ .
100 Minutes 5 OLUT \ 09‘)
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Instructions: There are ﬁve questions in this exam. Please inspect the exam and make sure you have
all the questions. You may only use your calculator and one sid

Math 201: Statistics June 5, 2011
Spring 2011 Final Exam
Closed book & notes; only a two-sided and handwritten A4 formula sheet and a
calculator allowed; 120 minutes. No questions accepted!
Instructions: There are eight pages (one cover and seven pages wi

(1) Consider the following data set provided in a relative frequency table.
0.1 i 0.2
1—Data Values 1 0 1 2
3 J 4
(a) What is the value of the relative frequency m? (3 points)
(b) If there are 250 data points, what is the frequency of data value 4? (3 poi