MCQs of Measures of Dispersion
MCQ No 4.1
The scatter in a series of values about the average is called:
(a) Central tendency
(b) Dispersion
(c) Skewness
(d) Symmetry
MCQ No 4.2
The measurements of spread or scatter of the individual values around the cen
STT 01 101/102
STATISTICAL METHODS
PRACTICE EXERCISES SHEET 2
1. A coin is weighted so that heads is twice as likely to appear as tails. Find P(T) and
P(H). ANS: P(T) =
1
2
; P(H) =
.
3
3
2. Two men, m1 and m2, and three women, w1, w2, w3, are in a chess
Gazi University
Faculty of Engineering and Architecture
Department of Chemical Engineering
ChE 341 Chemical Reaction Engineering
Dr. idem GLDR
Assist. Dolunay Eslek
PROBLEM SET-3
1. Reactant A decomposes with stoichiometry A
R and with the rate dependent
Probability and Statistics
Handout # 01
Statistics:
The word statistics can be used as a plural sense and in a singular sense. In plural sense we use
this word like statistics of prices, statistics of road accidents, statistics of educational
institutions
Assignment bib. 82 Basic PrbbabiiityMT-338 F85
l. {a} wa many different pbsitiye three—digit whble numbers can be fbrmed frbm the fbur
digits 2. 8. ?. and 8 if any digit can be repeated?
[bl wa many different pbsitiye whble numbers less than 1888 can be f
Random Variables
1.
The random variable X has the probability density function:
f ( x) 3x k
;
0 x 1
Find the value of k? , E (x), V (x), Cumulative distribution function & P 1 x 3
4
4
1
3 = 1
=0
3
= 1 => 3 = + 1 => =
+1
= 3 2 ; 0 1
1
3 3 =
=
=0
3
4
1
Solution to Engineering Statistics Exam 2014-2015 Dam and Water Resources Department
Solution to Final Exam (2014-2015)
Salahaddin University
College of Engineering
Dams & Water Resources Eng. Dept.
Class: 2rd Year
Date 01/06/2015
Time: 3 Hours
Subject: E
Random Variables
1.
The random variable X has the probability density function:
f ( x) 3 x k
0 x 1
;
Find the value of k? , E (x), V (x), Cumulative distribution function & P 1 x 3
4
4
2.
3.
A discrete random variable has a Binomial distribution with par