EVERYDAY SCIENCE

Detailed explanation-1: -The subset of the population from which data are actually gathered is the sample. A sample should be selected from a population randomly, otherwise it may be prone to bias. Our goal is to obtain a sample that is representative of the population.

Detailed explanation-2: -Answer & Explanation. a) A sample is a subset of a population. True. As sample contains the elements of the population, such that population is set and sample is subset.

Detailed explanation-3: -The set of all the possible outcomes is called the sample space of the experiment and is usually denoted by S. Any subset E of the sample space S is called an event.

Detailed explanation-4: -A sample is a subset of units in a population, selected to represent all units in a population of interest. It is a partial enumeration because it is a count from part of the population. Information from the sampled units is used to estimate the characteristics for the entire population of interest.

Detailed explanation-5: -A population is the entire group that you want to draw conclusions about. A sample is the specific group that you will collect data from. The size of the sample is always less than the total size of the population. In research, a population doesn’t always refer to people.