True or false: medical studies often use a relatively large sample (in this case, 3980) because disease occurrences can be rare and difficult to observe when only isolated populations are considered.

The answer in the statement above is true, it is because it is necessary to have large sample because diseases are unpredictable, which will be difficult especially on isolated populations are being considered. Having an isolated population could be hard to the researches because they only have a limited people to observe, that is why they needed a large sample in order to differentiate results and have enough sample to use.

did you mean: energy is defined ashyperactivitya caloric measurementthe ability to move matterthe ability to think and analyze this form of energy is called "energy in motion" or "energy of moving matter"potential energy kinetic energy electrical energy1 ptlights on a stage can be examples of all of the following forms of energy exceptelectrical energylight energythermal energysound energywhen one type of energy changes to another this is called energy energy is stored based on their position or shape this is called energy.kinetic potential sound electromagnetic