# Average frequency

Subject: Advertising and Public Relations

Exam: TEE

Reader: https://deep-learning-study-room.vercel.app/apr/#tee/formulas/facts/frequency

Canonical: https://deep-learning-study-room.vercel.app/read/apr/tee/formulas/facts--frequency/

M2 and TEE · media measures

Exam-answer use: Reach, Frequency and Message Weight were asked together in May 2026 Q4(a) [10 marks], with calculation examples. The links below distinguish faculty-note examples from extra drills.

## Formula



$$
\bar f=\frac{I}{n},\qquad I=\sum_j n_j f_j
$$



I = gross impressions, including repeat exposures; n = distinct people reached. If groups have different repetitions, first multiply each group size nⱼ by its repetitions fⱼ and add those products.

#### Illustrative example · Read the calculation in words

1,500 people see an ad 3 times and 1,500 see it 6 times. Impressions = 4,500 + 9,000 = 13,500. Reached people = 3,000. Average = 13,500 ÷ 3,000 = 4.5 exposures.

## Complete worked solutions

- [Faculty-note worked example 1](https://deep-learning-study-room.vercel.app/read/apr/tee/practice/numbers--frequency1/)
- [Optional authored drill 2](https://deep-learning-study-room.vercel.app/read/apr/tee/practice/numbers--frequency2/)
- [Faculty-note worked example 3](https://deep-learning-study-room.vercel.app/read/apr/tee/practice/numbers--frequency3/)