AMDM Midterm Review Units 3-4

Front

What is an Experiment in research?

Back

An Experiment is a study in which one or more variables are manipulated to determine their effect on a dependent variable, often involving a control group.

Front

What is an Observational Study?

Back

An Observational Study is a type of research where the researcher observes and records behavior without manipulating any variables.

Front

What does it mean when we say 'majority'?

Back

Majority refers to more than half of a group, indicating that a greater number of individuals fall into a particular category.

Front

How do you calculate Future Value in finance?

Back

Future Value (FV) can be calculated using the formula: FV = P(1 + r)^n, where P is the principal amount, r is the interest rate, and n is the number of periods.

Front

What is a Margin of Error in statistics?

Back

Margin of Error is a statistic expressing the amount of random sampling error in a survey's results, indicating the range within which the true population parameter is expected to fall.

Front

How do you calculate Simple Interest?

Back

Simple Interest can be calculated using the formula: Interest = Principal x Rate x Time.

Front

What is the significance of a Control Group in an experiment?

Back

A Control Group is used as a benchmark to measure how the other tested subjects do, helping to isolate the effect of the independent variable.

Front

What is the difference between a sample and a population in statistics?

Back

A sample is a subset of a population, used to represent the larger group, while a population includes all members of a specified group.

Front

What is the purpose of a hypothesis in scientific research?

Back

A hypothesis is a testable prediction about the relationship between two or more variables, guiding the research process.

Front

What does it mean to round a number?

Back

Rounding a number means adjusting it to a nearby specified value, often to make it simpler or easier to work with.