Measures of Center/ Variability

Front

What is the mean?

Back

The mean is the average of a set of numbers, calculated by adding all the numbers together and dividing by the count of numbers.

Tags

CCSS.6.SP.B.5C

Front

How do you find the median?

Back

To find the median, arrange the numbers in order and identify the middle number. 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 number that appears most frequently in a data set.

Tags

CCSS.6.SP.B.5C

Front

Define outlier.

Back

An outlier is a value that is significantly higher or lower than the other values in a data set.

Front

What is the range of a data set?

Back

The range is the difference between the maximum and minimum values in a data set.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Front

How do you calculate the percentage of data within a certain range?

Back

To calculate the percentage of data within a range, divide the number of values within that range by the total number of values, then multiply by 100.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Front

What does it mean if a score is at the 75th percentile?

Back

Being at the 75th percentile means that 75% of the data points are below that score.

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.

Tags

CCSS.6.SP.A.3

Front

Explain the concept of variability.

Back

Variability refers to how spread out or dispersed the values in a data set are.

Tags

CCSS.6.SP.A.3

Front

What is a box plot?

Back

A box plot is a graphical representation of a data set that shows the median, quartiles, and outliers.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1