describing distributions

Front

What is a distribution in statistics?

Back

A distribution in statistics refers to the way in which values of a variable are spread or arranged across a range. It shows how often each value occurs.

Tags

CCSS.6.SP.A.2

Front

What is the purpose of a stem-and-leaf plot?

Back

A stem-and-leaf plot is used to display quantitative data in a way that retains the original data values while showing the shape of the distribution.

Front

How do you calculate the range of a data set?

Back

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

Tags

CCSS.HSS.ID.A.1

CCSS.6.SP.B.4

Front

What is the median of a data set?

Back

The median is the middle value of a data set when it is ordered from least to greatest. If there are two middle numbers, the median is the average of those two numbers.

Tags

CCSS.6.SP.B.5C

Front

What does it mean for a data point to be an outlier?

Back

An outlier is a data point that is significantly different from the other values in a data set, often lying outside the overall pattern.

Front

How do you find the mode of a data set?

Back

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

Tags

CCSS.6.SP.B.5C

Front

What is a frequency distribution?

Back

A frequency distribution is a summary of how often each value occurs in a data set, often displayed in a table or graph.

Front

What is the difference between qualitative and quantitative data?

Back

Qualitative data describes characteristics or qualities (e.g., colors, names), while quantitative data represents numerical values that can be measured or counted.

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 (bins).

Tags

CCSS.HSS.ID.A.1

CCSS.6.SP.B.4

Front

What is the interquartile range (IQR)?

Back

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

Tags

CCSS.6.SP.B.5C