Front

What is Central Tendency?

Back

Central tendency is a statistical measure that identifies a single value as representative of an entire dataset. It includes measures like mean, median, and mode.

Tags

CCSS.6.SP.A.3

Front

How do you calculate the mean of a dataset?

Back

To calculate the mean, add all the numbers in the dataset together and then divide by the total number of values.

Tags

CCSS.6.SP.B.5C

Front

What is the median?

Back

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

Tags

CCSS.6.SP.B.5C

Front

What is the mode?

Back

The mode is the value that appears most frequently in a dataset. A dataset may have one mode, more than one mode, or no mode at all.

Tags

CCSS.6.SP.B.5C

Front

What is the interquartile range (IQR)?

Back

The interquartile range is a measure of statistical dispersion, calculated as the difference between the third quartile (Q3) and the first quartile (Q1). It represents the range of the middle 50% of the data.

Tags

CCSS.6.SP.B.5C

Front

How do you find the first quartile (Q1)?

Back

To find Q1, arrange the data in ascending order and find the median of the lower half of the dataset.

Tags

CCSS.6.SP.B.5C

Front

How do you find the third quartile (Q3)?

Back

To find Q3, arrange the data in ascending order and find the median of the upper half of the dataset.

Tags

CCSS.6.SP.B.5C

Front

What is a bar graph?

Back

A bar graph is a visual representation of data using bars of different heights or lengths to compare different categories.

Tags

CCSS.2.MD.D.10

Front

What is a histogram?

Back

A histogram is a type of bar graph that represents the frequency distribution of numerical data, where the bars touch each other.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Front

What is a frequency polygon?

Back

A frequency polygon is a graphical representation of a frequency distribution, created by connecting the midpoints of the top of the bars of a histogram with straight lines.