Boxplots, quartiles, percents and percentiles

What is the purpose of a boxplot?

• The purpose of a boxplot is to show the mean and median of a dataset.

• The purpose of a boxplot is to display the distribution of a dataset and identify outliers.

• The purpose of a boxplot is to compare two different datasets.

• The purpose of a boxplot is to display the relationship between two variables.

Tags

CCSS.HSS.ID.A.1

What is another name for Q2?

• Lower quartile

• Upper quartile

• Median

• IQR

What is another name for Q3?

• Lower quartile

• Upper quartile

• Median

• IQR

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

What is another name for Q1?

• Lower quartile

• Upper quartile

• Median

• IQR

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

What is the name for the difference between Q3 and Q1?

• Lower quartile

• Upper quartile

• Median

• IQR

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

What is the lower quartile?

• it is a value in your data set where only 25% of the data is less than it

• it is a value in your data set where 25% of the data is greater than it

• it is a value in your data set where only 75% of the data is less than it

• it is a value in your data set where only 50% of the data is less than it

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

What is the upper quartile?

• it is a value in your data set where 75% of the data is less than it

• it is a value in your data set where 75% of the data is greater than it

• it is a value in your data set where only 25% of the data is less than it

• it is a value in your data set where only 50% of the data is less than it

Tags

CCSS.HSS.ID.A.2

CCSS.HSS.ID.A.3

What is a percentile?

• The percent of data below a certain value in a data set

• It's the same as percent

• The percent of data above a certain value in a data set

• It's the same as percentage

If your score on the SAT was at the 90th percentile, then you must have scored 90% on the test.

• true

• false

If your score on the SAT was at the 90th percentile, then your score was...

• better than 90% of other peoples' scores

• less than 90% of other peoples' scores

• better than 10% of other peoples' scores

• the same as 90% of the other peoples' scores

Tags

CCSS.HSS.ID.A.4