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Business statistics helps analyze data, identify trends, and support decision-making. A case study assessment tests skills in data interpretation, hypothesis testing, regression analysis, and probability to solve real-world business problems. This guide covers key questions to enhance analytical and problem-solving abilities.
Related Questions: Solved NQF Level 6 Advanced Certificate in Management Studies
PROGRAMME: Advanced Certificate in Management Studies
MODULE: Business Statistics
QUESTION ONE (30 MARKS)
A case study was conducted by a blood donation clinic. The mass (in kg) of 40 blood donors is shown in the grouped frequency distribution below.
| Mass (kg) | Number of donors |
| 40 < 60 | 4 |
| 60 < 80 | Q |
| 80 < 100 | 17 |
| 100 < 120 | 6 |
| 120 < 140 | 5 |
| S | 40 |
2.1 What is the value of Q? (2 marks)
2.2 Calculate the estimated mean mass of these (8 marks)
2.3 Determine the median mass of these (5 marks)
2.4 Find the modal mass of these (5 marks)
2.5 Compute the standard deviation and interpret the value (10 marks)
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