| University | University of Cyberjaya (UoC) |
| Subject | FOBT 3153 BUSINESS STATISTICS |
This assignment covers chapter 1 and chapter 2 of this course on topics of Descriptive Statistics and Measures of Central Tendency and Dispersion.
1. Find a short article/graphic info that is business-related from any source that exemplifies the use of statistics.
- a. Provide the article in the report and cite appropriately.
- b. Identify and describe one statistic reported in the article.
- c. State the variable related to the statistic in part (b).
- d. Describe the sample related to the statistics in part (b).
- e. Describe the population from which the sample in part (d) was taken.
- f. Students are required to prepare a presentation of the findings above.
2. Data Table
| Marital Status | Exercise Experience Level | Hours Exercise/Week | Marital Status | Exercise Experience Level | Hours Exercise/Week | Marital Status | Exercise Experience Level | Hours Exercise/Week |
|---|---|---|---|---|---|---|---|---|
| S | I | 11 | M | A | 7 | S | A | 10 |
| S | I | 10 | M | I | 3 | M | B | 7 |
| M | A | 4 | S | A | 7 | S | I | 8 |
| S | I | 14 | S | B | 6 | M | B | 14 |
| S | A | 11 | S | A | 9 | D | I | 6 |
| M | B | 8 | S | B | 10 | S | I | 14 |
| S | B | 9 | M | B | 1 | S | A | 14 |
| M | A | 6 | M | A | 6 | M | B | 3 |
| S | A | 4 | M | B | 9 | S | B | 1 |
| D | A | 5 | S | B | 8 | S | B | 2 |
| M | I | 11 | S | A | 13 | S | B | 1 |
| S | B | 0 | M | A | 10 | S | I | 1 |
| S | A | 2 | M | I | 2 | D | B | 10 |
| M | B | 1 | M | I | 1 | M | B | 1 |
| M | A | 1 | M | I | 10 | M | I | 5 |
| M | A | 13 | S | B | 2 | M | A | 13 |
| M | I | 11 | M | B | 9 | M | A | 4 |
| S | A | 7 | S | I | 14 | S | I | 12 |
| S | A | 2 | S | A | 9 | M | B | 4 |
| S | B | 7 | S | A | 6 | M | B | 2 |
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a. What level of measurement is the variable Marital Status, Exercise Experience Level, and Hours of Exercise?
Marital Status: Nominal
Exercise Experience Level: Ordinal
Hours of Exercise: Ratio
b. Construct raw frequency tables for variable Marital Status and Exercise Experience Level.
| Marital Status | Frequency |
|---|---|
| Single (S) | 32 |
| Married (M) | 22 |
| Divorced (D) | 6 |
| Exercise Experience Level | Frequency |
|---|---|
| Beginner (B) | 20 |
| Intermediate (I) | 17 |
| Advanced (A) | 23 |
c. Using the data from (b), construct an appropriate graph/chart.
(Insert appropriate bar chart or pie chart here based on raw frequency tables.)
d. Construct a frequency distribution for Hours of Exercise.
Class intervals: 0-3, 4-7, 8-11, 12-15 (complete the table with midpoint, fx, fx2, and cumulative frequency).
e. Using the data from (d), construct an appropriate graph/chart.
(Insert appropriate histogram or frequency polygon here based on frequency distribution table.)
f. Calculations
- i. Calculate the value of mean.
- ii. Calculate the value of median.
- iii. Determine the value of mode.
- iv. Compute the value of variance.
- v. Determine the value of standard deviation.
Evaluation Rubric
| Criteria | Marks |
|---|---|
| 1. a. Provide the article | 2 |
| b. Identify and describe one statistic | 2 |
| c. State the variable | 2 |
| d. Describe the sample | 2 |
| e. Describe the population | 2 |
| f. Presentation | 5 |
| 2. a. Level of measurement | 3 |
| b. Raw frequency table | 4 |
| c. Graph/chart | 4 |
| d. Frequency Distribution Table | 5 |
| e. Graph/chart | 4 |
| f. i. Mean | 2 |
| ii. Median | 4 |
| iii. Mode | 4 |
| iv. Variance | 4 |
| v. Standard deviation | 1 |
| Total | 50 |
