Question
Question 2 Rachel set a class test for her students. The test is marked out of 100%. Her students marks are summarized in the table
Question 2
Rachel set a class test for her students. The test is marked out of 100%. Her students marks are summarized in the table below:
| Marks (100%) | Number of students |
| 15 | 1 |
| 23 | 1 |
| 35 | 2 |
| 46 | 4 |
| 51 | 5 |
| 55 | 15 |
| 61 | 25 |
| 64 | 13 |
| 67 | 1 |
| 72 | 3 |
| 75 | 12 |
| 78 | 6 |
| 86 | 1 |
| 93 | 1 |
- Construct an appropriate frequency table and draw a histogram to depict the data above
[10 marks]
- Compute the mean
[10 marks]
- Calculate the variance and standard deviation
[10 marks]
- Calculate the coefficient of variation
[5 marks]
- Interpret the distribution in your histogram
[5 marks]
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Auditing And Assurance Services Plus Pearson MyLab Accounting With Pearson EText
Authors: Alvin A. Arens, Randal J. Elder, Mark S. Beasley, Chris E. Hogan
17th Global Edition
1292312106, 978-1292312101
