7th data and stats vocab

This is a visual that shows data as a part of a circle. Each portion of it represents a percent out of 100 and the whole graph makes up 100% of the data.

• Bar Graph

• Circle Graph

• Line Graph

• Dot Plot

A decision that is made for the whole population based on the sample's data. We set this up using proportions.

• Population Inference

• Population

• Sample

• Representation

The bigger group or the entire group we are talking about when data is collected.

• Sample

• Population

• Random

• Convenience

A portion, part, or subset of the the big group. This is used because it is too hard to collect data from the big group.

• Sample

• Population

• Random

• Representative Sample

A sample that is collected where every subject has a fair chance of being chosen. An example would be picking a name out of a hat or drawing a popsicle with that name on it.

• Sample

• Random Sample

• Representative Sample

• Convenience Sample

Gathering data so that the results are favorable to one side of the population

• Based

• Unbased

• Bias

• Unbias

A visual representation of a data sample using bars

• Circle Graph

• Dot Plot

• Line Graph

• Bar Graph

A sample that is taken from what is easiest for the researcher to sample. Sometimes it is bias and usually is NOT a good representation of the population

• Random Sample

• Convenience Sample

• Representative Sample

• Population

A sample that is representative of the population. This sample can be used to make good inferences about the population

• Representative Sample

• Random Sample

• Convenience Sample

• Sample

Gathering data so that it is fair for the whole population

• Based

• Unbased

• Biased

• Unbiased