Arab Open University
Faculty of Business Studies
MU123
(Discovering Mathematics)
Tutor Marked Assignment
(TMA)
2013-2014, First summer
This TMA is based on Units 1, 2, 3, 4 and 11, MU123
Discovering Mathematics. It is marked out of 100 and is worth 20% of the overall
assessment component. This TMA requires the students to apply course concepts that
deal with working with numbers, percentages, ratios and statistical concepts
and pictures.
The TMA is intended
to:
-
Apply how to use the three stages of statistical investigation cycle
listed on page 180, Book A, Discovering Mathematics.
-
Develop your skills of classification of statistical analysis.
The TMA:
The following table
describes a situation that summarizes the number of students enrolled at AOU branches at 2009.
Students enrolled
at AOU during 2009
|
Branch
|
Females
|
Males
|
Graduates
|
|
Kuwait
|
3037
|
1931
|
1924
|
|
Jordan
|
1618
|
1009
|
2429
|
|
Lebanon
|
1876
|
2920
|
962
|
|
Bahrain
|
622
|
792
|
204
|
|
Egypt
|
794
|
1204
|
160
|
|
KSA
|
6138
|
7395
|
921
|
|
Oman
|
425
|
787
|
--
|
From the above table, answer
the following NINE questions:
1.
Calculate the mean, median,
range, interquartile range of the total number of students (Females + Males)
enrolled at AOU at all branches. (10 points)
2.
Calculate the standard deviation
for females students. (10 points).
3.
Analyse and explain the results
obtained in Questions 1 and 2 (50-75 words). (10 points).
4.
Find the percentage of male
students at each branch. Explain your result (50 words). (5 points)
5.
Round the total number of males
and females to two significant numbers, for each branch. (5 points)
6.
Use Microsoft Excel in presenting
your data in bar charts for males and females students for all branches.
Explain your results. (15 points)
7.
Use Microsoft
Excel in presenting your data in pie for the graduate students for all
branches. Explain your results (50-75 words). (15 points)
8.
Find the percentage
increase/decrease in graduate students for all branches; explain your results
(50-75) words. (10 points)
9.
Find the ratio of the number of
graduate students of Kuwait to Lebanon branches. (5 points)
A total of
85 out of 100 points are allocated to the above 9 questions. The remaining 15
points will be distributed:
-
Presentation (5 marks)
-
Attachment of the PT3Form (5
marks).
-
Word count. (5 marks)
