Data & Statistics

Front

What is a random sample?

Back

A random sample is a subset of individuals chosen from a larger set, where each individual has an equal chance of being selected.

Front

What is the median in a data set?

Back

The median is the middle value when the numbers are arranged in order. If there is an even number of observations, the median is the average of the two middle numbers.

Front

What does a box plot represent?

Back

A box plot visually displays the distribution of a data set, showing the median, quartiles, and potential outliers.

Front

What is variability in statistics?

Back

Variability refers to how spread out or closely clustered the data points are in a data set.

Front

What is the mode of a data set?

Back

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

Front

How do you find the range of a data set?

Back

The range is found by subtracting the smallest value from the largest value in the data set.

Front

What is a dot plot?

Back

A dot plot is a simple way to display data using dots to represent individual data points along a number line.

Front

What does it mean for two data sets to have the same mode?

Back

It means that both data sets have the same most frequently occurring value.

Front

What is the difference between mean and median?

Back

The mean is the average of all data points, while the median is the middle value when data points are ordered.

Front

What is a conclusion in statistics?

Back

A conclusion is a statement that summarizes the findings from data analysis, often based on statistical evidence.