b) Q1 = 1.605,
Q2 = 1.75,
Q3 = 1.925.
The points 1.05 and -2.17 are potential outliers.
-2.17 is an outlier.
a) refer to the note/slides
c) E(Y) = 78/7 and Var(Y) = 1.6
MATH 144 Applied Statistics
29th March 2010
Write your name, ID number, and tutorial section in the space provided above.
DO NOT open the exam booklet until instructe
1. How many dierent linear arrangements are there of the letters A, B, C,
D, E, F for which
(a) A and B are next to each other;
(b) A is before B and B is before C.
(e.g. cfw_A, F, B , D, E, C , cfw_D, F, A, B , E, C , and etc.)
2. (a) An ordinary deck of
1. How many dierent linear arrangements are there of the letters A, B, C, D, E, F for
(a) A is before B and C is before D;
(b) A and B are next to each other and C and D are also next to each other.
2. (a) An ordinary deck of 52 cards is shued. What
Math 144: Final examination (Spring 2011)
This examination will be 2 hours long, from 8:30am to 10:30am.
There are 6 questions. Please show all your work so that you do not lose any marks.
1. [20 marks] Many cardiac patients wear implanted pacemakers to
Math 144: Applied Statistics
Final Examination (Fall 2010)
16th Dec 2010
This exam will be
2 hours long.
Write down your name, seat number, and ID number in the space provided above.
In a marketing survey, ABC Co. Ltd. takes a random sample of its retail outlets. The sales of the
outlets in a certain month were as follows:
Sales (hundred thousand)
Class mark, x
Number of outlets, f
0 dollars) 2
2 less than 4