Understanding Data Distributions and Patterns

Front

What is the mode of a data set?

Back

The mode is the value that appears most frequently in a data set.

Front

What is the interquartile range (IQR)?

Back

The IQR is the difference between the first quartile (Q1) and the third quartile (Q3) in a data set, representing the range of the middle 50% of the data.

Front

What is a statistical question?

Back

A statistical question is one that anticipates variability in the data and can be answered by collecting data.

Front

What does a standard deviation of 0 indicate about a data set?

Back

A standard deviation of 0 means that all data points in the set are the same.

Front

What does the center of a data set refer to?

Back

The center of a data set refers to the average or median value of the data.

Front

How do you find the median of a data set?

Back

To find the median, arrange the data in numerical order and identify the middle value. If there is an even number of values, average the two middle values.

Front

What is a data distribution?

Back

A data distribution shows how values in a data set are spread out or clustered together.

Front

What is a range in statistics?

Back

The range is the difference between the highest and lowest values in a data set.

Front

What is a histogram?

Back

A histogram is a graphical representation of the distribution of numerical data, showing the frequency of data points within specified ranges.

Front

What is a box plot?

Back

A box plot is a standardized way of displaying the distribution of data based on a five-number summary: minimum, first quartile, median, third quartile, and maximum.