Agree with the above answers that demand side approach might not be very suitable here. Remember that there could also be multiple chains out there and as such there needs to be an assumption on market share %.
Using the supply side approach, you could work out the sizing based on the following components, with some assumptions to be made
- Capacity of a gym at a given point of time e.g. X machines with 1 person for each machine at any time
- Avg opening hours of a gym in a day
- Avg spend of time of customer in the gym e.g. 1hr? 30mins?
- Typical occupancy rate of the gym
- Avg frequency of customer visiting the gym e.g. once a day? once every 2 days?
- Assumption on % of people who pay for the gym but don't show up
Hope this helps. :)
Agree with the above answers that demand side approach might not be very suitable here. Remember that there could also be multiple chains out there and as such there needs to be an assumption on market share %.
Using the supply side approach, you could work out the sizing based on the following components, with some assumptions to be made
- Capacity of a gym at a given point of time e.g. X machines with 1 person for each machine at any time
- Avg opening hours of a gym in a day
- Avg spend of time of customer in the gym e.g. 1hr? 30mins?
- Typical occupancy rate of the gym
- Avg frequency of customer visiting the gym e.g. once a day? once every 2 days?
- Assumption on % of people who pay for the gym but don't show up
Hope this helps. :)