FoA Data- Box & Whisker Plots

Front

What is a Box and Whisker Plot?

Back

A Box and Whisker Plot is a graphical representation of a data set that shows its minimum, first quartile (Q1), median, third quartile (Q3), and maximum.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Front

What does the median represent in a data set?

Back

The median is the middle value of a data set when it is ordered from least to greatest.

Tags

CCSS.6.SP.B.5C

Front

What are quartiles in statistics?

Back

Quartiles are values that divide a data set into four equal parts, with Q1 being the first quartile, Q2 the median, and Q3 the third quartile.

Tags

CCSS.6.SP.B.5C

Front

How do you find the lower quartile (Q1)?

Back

Q1 is the median of the lower half of the data set, excluding the median if the number of data points is odd.

Tags

CCSS.6.SP.B.5C

Front

How do you find the upper quartile (Q3)?

Back

Q3 is the median of the upper half of the data set, excluding the median if the number of data points is odd.

Tags

CCSS.6.SP.B.5C

Front

What does the term 'interquartile range' (IQR) mean?

Back

The interquartile range (IQR) is the difference between the upper quartile (Q3) and the lower quartile (Q1), representing the middle 50% of the data.

Tags

CCSS.6.SP.B.5C

Front

What does a higher median indicate about a data set?

Back

A higher median indicates that the central tendency of the data set is higher, meaning that more values are above the median.

Tags

CCSS.6.SP.A.2

Front

What is the significance of the whiskers in a Box and Whisker Plot?

Back

The whiskers extend from the quartiles to the minimum and maximum values, showing the range of the data.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Front

How can you determine which Box and Whisker Plot has the highest median?

Back

Compare the median lines in each Box and Whisker Plot; the plot with the highest median line has the highest median.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Front

What does it mean if a Box and Whisker Plot has a small lower quartile (Q1)?

Back

A small Q1 indicates that a significant portion of the data is concentrated at lower values.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1