- 10 Marks
QTB – May 2017 – L1 – SB – Q1b – Data Collection Analysis
Construct a histogram and determine the modal wage from the wage distribution data.
Question
b. The table below shows the weekly wage distribution of artisans in a certain factory:
| Weekly Wage (₦’00) | Number of Artisans |
|---|---|
| 38 – 47 | 16 |
| 48 – 57 | 24 |
| 58 – 67 | 41 |
| 68 – 77 | 53 |
| 78 – 87 | 76 |
| 88 – 97 | 118 |
| 98 – 107 | 224 |
| 108 – 117 | 83 |
| 118 – 127 | 15 |
| 128 – 137 | 4 |
i. Draw a histogram to represent the wage distribution using the scales: On x-axis, let 1 cm represent ₦100; on y-axis, let 1 cm represent 10 artisans. (4 Marks)
ii. Deduce the modal weekly wage from the histogram. (2½ Marks)
iii. Use the appropriate formula to calculate the modal weekly wage. (3½ Marks)
Find Related Questions by Tags, levels, etc.
- Tags: Histogram, Modal Wage, Wage Distribution
- Level: Level 1
- Topic: Data Collection Analysis
- Series: MAY 2017
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