Statistics Review Flashcard B-Day 6th

Front

Describe the shape of data that is evenly distributed around a central value.

Back

Symmetrical

Front

What is Q2 or Quartile 2 also known as?

Back

Median

Front

What is the difference between the medians of two data sets if the result is 4?

Back

4

Front

What is bias in statistics?

Back

A systematic error or deviation from the true value in data analysis or interpretation.

Front

Which sampling technique involves selecting a group of people who are conveniently available?

Back

Convenience sampling.

Front

What is the measure of central tendency that represents the middle value of a data set when arranged in order?

Back

Median.

Front

What is the term for the value that appears most frequently in a data set?

Back

Mode.

Front

What is the term for the difference between the highest and lowest values in a data set?

Back

Range.

Front

What type of sampling involves dividing the population into subgroups and randomly selecting from each subgroup?

Back

Stratified sampling.

Front

What is a systematic error in data analysis?

Back

Bias.