- 20 Marks
QTB – May 2015 – L1 – SB – Q1 – Data Collection Analysis
Analyzing average daily sales data to compute frequency, median, and mode.
Question
The table below shows average daily sales of Rice Krispies in the month of August 2014 in Flavour Restaurant:
| Sales | Sales | Sales | Sales | Sales | Sales | Sales | Sales | Sales | Sales |
|---|---|---|---|---|---|---|---|---|---|
| 32 | 8 | 12 | 18 | 26 | 18 | 32 | 28 | 15 | 14 |
| 22 | 44 | 24 | 18 | 32 | 46 | 52 | 62 | 72 | 78 |
| 29 | 32 | 10 | 14 | 16 | 24 | 32 | 40 | 24 | 42 |
| 17 | 20 | 23 | 13 | 16 | 17 | 19 | 36 | 25 | 60 |
| 25 | 15 | 20 | 42 | 32 | 16 | 20 | 25 | 24 | 50 |
| 10 | 9 | 11 | 21 | 19 | 12 | 48 | 32 | 32 | 30 |
You are required to:
a. Use tally method to prepare a frequency table starting from 1 – 10, 11 – 20, etc. (8 Marks)
b. Compute:
(i) The median (6 Marks)
(ii) The mode (6 Marks)
(Total 20 Marks)
Find Related Questions by Tags, levels, etc.
- Tags: Data Analysis, Frequency Table, Median, Mode
- Level: Level 1
- Topic: Data Collection Analysis
- Series: MAY 2015
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