Q8. - Algebra 1

Question

Identify each sample, and determine a population from which it was selected. Then classify the type of data collection used.

The owners of the dog care centers want to know how many of each size crate they should order. They send flyers into the neighborhood to ask what size or breed of dog each person has.

Step-by-Step Solution

Answer

Sample: People of the neighborhood who take part in the survey.

Population: All people in the city who have dogs.

Type of data collection: Survey.

Step 1. State the concept for sample and population.

A sample is a specific group that you will collect data from. The size of the sample is always less than the total size of the population.

A population is an entire group that you want to draw conclusions about.

a population doesn’t always refer to people. It can mean a group containing elements of anything you want to study, such as objects, events, organizations, countries, species, organisms, etc.

Step 2. State the concept for data collection .

Data collection is the process of gathering, measuring, and analyzing accurate data from a variety of relevant sources to find answers to research problems, answer questions, evaluate outcomes, and forecast trends and probabilities.

Step 3. State the answer with an explanation .

Here, the sample is all people in the neighborhood who take part in the survey and all people who have dogs in the city from the population. Since the method of data collection is through responses from people in the neighborhood, it is a survey.