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Frequency, totals and the mode
Free examples and worked answers. No account needed.
Practise the method.
Frequency, totals and the mode
Frequency, totals and the mode
Example 1
How many households were surveyed?
Pets per household| Number of pets | Households |
|---|
| 0 | 5 |
|---|
| 1 | 14 |
|---|
| 2 | 6 |
|---|
| 3 | 8 |
|---|
Show worked answer
Answer: 33
- Add the frequencies.
- 5+14+6+8=33.
Example 2
How many households have exactly 2 pets?
Pets per household| Number of pets | Households |
|---|
| 0 | 5 |
|---|
| 1 | 5 |
|---|
| 2 | 6 |
|---|
| 3 | 10 |
|---|
Show worked answer
Answer: 6
- Read the frequency next to 2 pets.
- 6.
Example 3
What is the modal number of pets?
Pets per household| Number of pets | Households |
|---|
| 0 | 8 |
|---|
| 1 | 12 |
|---|
| 2 | 4 |
|---|
| 3 | 5 |
|---|
Show worked answer
Answer: 1
- 1 pets has the highest frequency, 12.
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