Mean, median, mode, range, and reading basic graphs and charts for a K-12 math course. Front: the term or short data set. Back: a plain-language definition or the computed value.
29 cards · basic cards · AI-written, checked twice. Edit anything.
- What is the mean of a data set?
- The sum of all values divided by how many values there are; also called the average.
- Find the mean of: 2, 4, 6, 8
- 5
- What is the median of a data set?
- The middle value when all data is arranged in order from least to greatest.
- Find the median of: 3, 7, 5, 2, 8
- 5
- How do you find the median when there is an even number of values?
- Find the two middle values and calculate their mean.
- Find the median of: 1, 3, 5, 9
- 4
- What is the mode of a data set?
- The value that appears most often in the data set.
- Find the mode of: 2, 5, 5, 7, 9, 5, 3
- 5
- What does it mean when a data set has no mode?
- Every value appears the same number of times, so no single value appears most often.
- What does it mean if a data set has two modes?
- Two different values each appear the most (and equally) often.
- What is the range of a data set?
- The difference between the largest and smallest values.
- Find the range of: 12, 5, 8, 22, 3, 15
- 19
- What is a bar chart used for?
- Displaying and comparing quantities across different categories using rectangular bars.
- What is a line graph used for?
- Showing how something changes over time by connecting points with lines.
- What is a pie chart used for?
- Showing parts of a whole as slices, where all slices together make 100 percent.