F24 - M3 - Practice: Statistics

Front

What is the best data collection strategy for an animal behaviorist providing two types of food?

Back

Experiment

Front

What is the equation to solve for the margin of error given a mean weight of 15.5 oz and a standard deviation of 0.2 oz from a sample of 40 bags?

Back

Front

What is the best data collection strategy for studying the effects of population growth on an ecosystem?

Back

Simulation

Front

What form of data collection is represented by a monthly fire drill required by state law?

Back

Simulation

Front

What is the best sampling method for choosing a new school mascot?

Back

5 boys and 5 girls from each grade level

Front

Define 'Observational Study' in statistics.

Back

A study where the researcher observes and records behavior without manipulating any variables.

Front

Define 'Experiment' in the context of data collection.

Back

A study where the researcher manipulates one or more variables to observe the effect on another variable.

Front

What is 'Margin of Error' in statistics?

Back

The range within which the true value is expected to fall, based on the sample data.

Front

What is a 'Random Sample'?

Back

A sample that is selected from a population in such a way that every individual has an equal chance of being chosen.

Front

Explain the term 'Standard Deviation'.

Back

A measure of the amount of variation or dispersion in a set of values.