After Defining the Variables Involved in a Study, Scientists Have

question 1

Essay

After defining the variables involved in a study, scientists have to identify individuals to study. The population is the group of individuals to whom we hope our conclusions will apply. Researchers generally hope that their conclusions will apply to a large population, such as all 5-year-olds or all people with schizophrenia. Because it is not practical to examine everyone in the population, researchers study a sample of people and assume that the results for the sample apply to the whole population. Briefly define the following types of samples and give one example for each; convenience sample, representative sample, random sample, and cross cultural sample.

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Definitions:

Manufacturing Overhead

All indirect costs associated with the production process, such as utilities, maintenance, and factory management salaries.

Raw Materials Transactions

Raw materials transactions involve the recording and tracking of purchases, usage, and inventory levels of raw materials in a manufacturing or production process.

November

The month that comes after October and before December in the Gregorian calendar, known as the eleventh month.

Manufacturing Overhead Costs

Expenses related to the manufacturing process that are not directly tied to the production of individual items, such as factory rent, utilities, and salaries of maintenance staff.