Stat130 Case study Spring 2012
Circuit Systems, Incorporated is a company located in Northern California that produces integrated circuit boards for the
microcomputer industry. In addition to salaried management and office staff personnel, Circuit Systems
Frequency Distribution - Qualitative
Exercise Program
frequency
72
161
233
1
0
percent
30.9
69.1
100.0
Histogram
80
70
Pe rc e nt
60
50
40
30
20
10
0
1
Exercise Program
Descriptive statistics
count
mean
sample variance
sample standard deviation
minimum
ma
blu34978_ch02.qxd
7/30/08
3:35 PM
Page 35
Confirming Pages
C H A P T E
R
2
Frequency
Distributions
and Graphs
(Inset) Copyright 2005 Nexus Energy Software Inc. All Rights Reserved. Used with Permission.
Objectives
Outline
After completing this chapter, yo
Data Tables
Table 10.1
Source
VA Theory
VA
Experimental
Deviation
VA Simulation
E1 Only
4.1608v
4.198v
0.89%
4.16091v
E2 Only
5.179v
5.295v
2.23%
5.17901v
E1 and E2
9.339v
9.489v
1.60%
9.33993v
Source
IR4 Theory
IR4
Experimental
Deviation
E1 Only
0.405 mA
Unauthorized copying or reuse of
any part of this page is illegal.
2|:l|:|:l DDEIZ
SECTION 2
Time — 25 minutes
20 Questions
_ Turn to Section 2 (page 4) of your answer sheet to answer the questions in this section.
Directions: For this section
Reading
Organising information for an essay
Skimming and scanning texts
Taking notes and explaining what you
have read
Vocabulary building; collocations
Ustenlng and speaking
Referring backwards and forwards in
presentations
Writing
Writing conclusi
STAT 210
Probability and
Statistics
Unit 1:Descriptive Statistics
Outline
Introduction to Statistics:
Graphical method:
Bar and pie charts, Histogram, Stem and leaf plot
Summary Statistics:
Measures of location, measures of variability,
boxplot
STAT210: P
STAT210
Practice Final Exam
1. The wall thickness of 25 glass 2-liter bottles was measured by a quality-control engineer. The sample mean
was 4.058 mm, and the sample standard deviation was 0.081 mm.
(a) At 5% significance level, test whether the mean wal
STAT220
Spring 2012
Practice Midterm
1. Let A and B be events such that P(A) = 0.25 and P(B) = 0.16. Find P(A|B) if
(a) P(A B) = 0.06
(b) P(B|A) = 0.4
(c) P(AB) = 0.33
(d) A and B are independent
(e) A and B are mutually exclusive
2. Among employees of a
STAT210
Practice exercises for mid-term
Fall 2013
1. Hydraulic assemblies for landing gear produced by an aircraft rework facility are inspected for defects.
History shows that 10% have defects in the shafts, 8% have defects in the bushings, and 2% have d
STAT220
Spring 2012
Practice Midterm
1. Let A and B be events such that P(A) = 0.25 and P(B) = 0.16. Find P(A|B) if
(a) P(A B) = 0.06
(b) P(B|A) = 0.4
(c) P(AB) = 0.33
(d) A and B are independent
(e) A and B are mutually exclusive
2. Among employees of a
H
C
G
F
A
E
B
D
G
A
B
D
E
C
F
OF
IN
OF
FOR
OF
TO
ON
IN
WITH
working
moving
buying
produced
grown
concerning
made
manufactured
resulting
people buying their own home is
made by the education
department was rejected by
that predicts future
containing more w
Practice: Application of Newton’s 2"” Law Physics 60A Term 1, AY 2015-2016
: Section: Date:
\_ —
Instruction: Solve each problem on the space provided. Keep your solutions as neatly and as detailed as
possible. (5 marks each)
i
1. Two ropes are connecte
Data Tables
Table 10.1
Source
VA Theory
VA
Experimental
Deviation
VA Simulation
E1 Only
4.1608v
4.198v
0.89%
4.16091v
E2 Only
5.179v
5.295v
2.23%
5.17901v
E1 and E2
9.339v
9.489v
1.60%
9.33993v
Source
IR4 Theory
IR4
Experimental
Deviation
E1 Only
0.405 mA
Faculty of Information Technology
SECB-408 Secure Mobile Code
Lab 1: Writing your own simple virus
http:/abgoor.blogspot.ae/2010/10/batch.html
Student Name:
ID:
.
The objectives of the lab:
o To know how to create batch files and what is the purpose of th
Navidi-38137
nav51607_06
August 1, 2006
Chapter
19:47
6
Hypothesis Testing
Introduction
In Example 5.2 (in Section 5.1) a sample of 50 microdrills had an average lifetime of
X = 12.68 holes drilled and a standard deviation of s = 6.83. Let us assume that
5 Assumptions to KMT.
1- Gases consist of large numbers of tiny particles that are far
apart relative to their size.
2 Collisions between gas particles and between particles and
container walls are elastic collisions.
3 Gas particles are continuous, rapid
A measure of central tendency is a value that represents a typical, or central, entry
of data set. The three most commonly used measures of central tendency are the
mean, the median and the mode.
[1]
[2]
[3]
Index:
Mean.p3
Population Meanp4
Sample Mean.p4
CHAPTER 5 REVIEW QUESTIONS
The answers and explanations can be found in Chapter 16. 21136:?“ JFWf D (ﬁxn‘k :- 0‘433 m
$5533 5153‘” ﬁ‘ﬂﬁaslna =n$3ln300 : 0.518
5. The coefﬁcrent of static friction betwee a box and a
Sectlﬂﬂ I: M Ice ramp is 0.5. The ramp’s
STA 2023
Practice Questions Exam 2
Chapter 7- sec 9.2
Formulas Given on the test:
Case
one
mean
one
prop.
parameter
p
estimato
r
standard error
x
p
Estimate of
standard error
s
n
p(1 p)
n
CI:
Sampling
Distribution
t (n-1)
n
p (1 p )
n
ST:
p 0 (1 p 0 )
n
M