Data Cycle Flashcard

Front

What is a circle graph?

Back

A circle graph, or pie chart, is a circular statistical graphic divided into slices to illustrate numerical proportions. Each slice represents a category's contribution to the total.

Front

What is the average of a set of numbers?

Back

The average, or mean, is calculated by adding all the numbers in a set and then dividing by the count of numbers.

Front

What is a bar graph?

Back

A bar graph is a chart that presents categorical data with rectangular bars. The length of each bar is proportional to the value it represents.

Front

What is a box plot?

Back

A box plot, or box-and-whisker 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.

Front

How do you find the median of a set of numbers?

Back

To find the median, arrange the numbers in order and identify the middle number. If there is an even number of observations, the median is the average of the two middle numbers.

Front

What is a tally chart?

Back

A tally chart is a simple way to record and count frequencies. Each tally mark represents one count, and every fifth tally is typically grouped together for easier counting.

Front

What is a line graph?

Back

A line graph is a type of chart that displays information as a series of data points called 'markers' connected by straight line segments. It is often used to show trends over time.

Front

What is a histogram?

Back

A histogram is a graphical representation of the distribution of numerical data, showing the number of data points that fall within a specified range of values (bins).

Front

What is a stem-and-leaf plot?

Back

A stem-and-leaf plot is a method of displaying quantitative data in a graphical format, similar to a histogram, to retain the original data values while showing their distribution.

Front

What is the importance of data visualization?

Back

Data visualization helps to make complex data more accessible, understandable, and usable by presenting it in a visual context.