1.
The annual report of Dennis Industries cited these primary earnings per common share for the past 5
years: $2.68, $1.03, $2.26, $4.30, and $3.58. If we assume these are population values, what is:
a. The arithmetic mean primary earnings per share of co
Question 1
As player salaries have increased, the cost of attending baseball games has increased
dramatically. The following data represent the cost of four tickets, two beers, four soft
drinks, four hot dogs, two game programs, one baseball caps, and the
Section A
Question 1
Listed are the required times (in minutes) to complete a sample assembly task for 30
employees who have applied for a promotional transfer to a job requiring precision
assembly.
10
11
15
12
14
13
21
21
25
25
13
26
13
18
11
18
17
9
22
9.44 An airline has surveyed a simple random sample of air travelers to find out whether they
would be interested in paying a higher fare in order to have access to e-mail during their
flight. Of the 400 travelers surveyed, 80 said e-mail access would be
9.30 Given the following observations in a simple random sample from a population that is
approximately normally distributed, construct and interpret the 90% and 95% confidence
intervals for the mean:
67 79 71 98 74 70 59 102 92 96
x 80.8
s 15.02
df = n -
10.10 For each of the following statements, formulate appropriate null and alternative
hypotheses. Indicate whether the appropriate test will be one-tail or two-tail, then sketch a
diagram that shows the approximate location of the "rejection" region(s) f
10.28. Fro a sample of 12 items from a normally distributed population for which the
standard deviation is = 17.0, the sample mean is 230.8. At the 0.05 level of significance,
test H0: 220 versus H1: > 220. Determine and interpret the p-value for the test
9.6 During the month of July, an auto manufacturer gives its production employees a vacation
period so it can tool up for the new model run. In surveying a simple random sample of 200
production workers, the personnel director finds that 38% of them plan
10.62 For a simple random sample, n = 700 and p = 0.63. At the 0.025 level, test H0: 0.60
versus H1: > 0.60.
z
p p
p(1 p )
n
0.63 0.60
0.60(1 0.60)
700
1.62
p-value = 0.0526
We can not reject the null hypothesis since the p-value is greater than the signi
CAEA 3435 Internal Auditing
Week 1
OVERVIEW
What Is Internal Audit?
What Does An Internal Auditor Do?
What Is Required Of An Internal Auditor?
UM Milestone in IA education
2002 First introduce IA as an elective
2008 Became IAEP(Internal Audit
Education
CAEA 3435 Internal Auditing
Week 2
OVERVIEW
What Is Internal Audit?
What Does An Internal Auditor Do?
What Is Required Of An Internal Auditor?
The profession.
The profession
Is not a new occupation but.
Getting more
challenging
Receive better
treatment
BUSINESS STATISTICS
CBEB1109
FITRIAH MUNIRAH ALIAS
CEA140151
Q6.17 (PG. 244)
TUTORIAL SLOT:
WEDNESDAY 1PM-2PM
6.17 As player salaries have increased, the cost
of attending baseball games has increased
dramatically. The file BBCost 2010 contains the
cost o
SECTION A
1) A survey of 25 students was conducted to determine how they rate teaching quality of a
lecturer. Students were asked to rate 15 items for teaching quality using the scale from 1
(strongly disagree) to 6 (strongly agree).
21
28
34
38
45
24
30
SECTION A :
Question 1
The closing trading price of 30 most active shares on Bursa Malaysia in a particular day are
as follow.
29.63
16.50
6.63
34.00
1.25
9.38
43.25
48.35
13.59
8.75
9.38
1.63
8.63
25.02
21.63
7.63
8.00
29.63
30.38
28.50
28.50
35.25
11.38
Course Code: CBEB 1109 Business Statistics
Group Assignment: Past Year Questions Sem 1 2010
Group Members:
Ahmad Firdaus Bin Kamaruzaman
CEA140002
Muhammad Faiz Haikal Bin Norihanafi
CEA140086
Muhammad Amirul Hafiz Bin Zulkifli
CEA140085
Er Pei Shi
CEA140
1.
A teacher records scores on a 20-point quiz for the 30 students in his class. The scores are:
19 20 18 18 17 18 19 17 20 18 20 16 20 15 17 12 18 19 18 19 17 20 18 16 15 18 20 5 0 0
What do you expect to draw? Bar chart or histogram. Draw the graph what
1
The annual salaries of employees in a large company are approximateley normally distributed
with a mean of $50,000 and a standard deviation of $20,000.
a) What percent of people earn less than $40,000?
b) What percent of people earn between $45,000 and
1
An urn contains 6 red marbles and 4 black marbles. Two marbles are drawn without
replacement from the urn. What is the probability that both of the marbles are black?
2
A bag of chips has a mean mass of 70g with a standard deviation of 3g. Assuming norm
1
Entry to a certain University is determined by a national test. The scores on this test are
normally distributed with a mean of 500 and a standard deviation of 100. Tom wants to be
admitted to this university and he knows that he must score better than
1.
The probabilities of the events A and B are .20 and .30 respectively. The probability that both A and B
occur is .15. What is the probability of either A or B occurring?
P=0.35
2.
The distances, in yards, that Julia and Ty hit 14 golf balls at a drivin
1. The IRS was interested in the number of individual tax forms prepared by small accounting firms.
The IRS randomly sampled 50 public accounting firms with 10 or fewer employees in the DallasFort Worth area. The following frequency table reports the resu
1
X is a normally normally distributed variable with mean = 30 and standard deviation = 4.
Find:
a) P(x < 40)
b) P(x > 21)
c) P(30 < x < 35)
2
A radar unit is used to measure speeds of cars on a motorway. The speeds are normally
distributed with a mean of
1.
An investigator thinks that people under the age of forty have vocabularies that are different than those
of people over sixty years of age. The investigator administers a vocabulary test to a group of 21 younger
subjects and to a group of 21 older sub
QUESTION 1
a) Statistics for the five-point summary
1. X smallest
2. First quartile (Q1)
3. Second quartile (Q2)
4. Third quartile (Q3)
X smallest
5. X largest
b) Five-point summary GRADE A
1. X smallest = 568
Q1
568 , 570 , 575 , 578 , 584
Lower fence =
Cbeb1109
Business statistics
PAST YEAR QUESTIONS
SEMESTER 2, 2011
TUTORIAL SESSION : WEDNESDAY 12 PM
GROUP MEMBERS :
ANG MEI SYUEN
ALYSSA NATASHA BINTI AZIZAN
CEA140007
CEA140005
FITRIAH MUNIRAH BINTI ALIAS
CEA140151
NG WEI EN
CEA140091
NUR AMALINA BINTI
Faculty of Business & Accounting
Course Code/ Title:
Business Statistic CBEB1109
Assignment:
Past Year Question 2005/2006 (Semester 1)
Name
Chow Kah Yong
Hui Hue Han
Nadirah Binti N Hasnol
Nur Anis binti Che Othman
Ong Chiu Chee
Matric Number
CEA140024
CE