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

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Source: http://www.agfund.org/en/about/flagships/pages/thearabopenuniversity.aspx

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 of graduate students to the total enrolled 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)

As per AOU rules and regulations, all students are required to submit their own TMA work and avoid plagiarism. Plagiarism will be penalized depending on its severity and according to AOU plagiarism policy.

Cut-off date: December 06, 2013

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