Measure of Center

Front

What is the mean of a set of numbers?

Back

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

Tags

CCSS.6.SP.B.5C

Front

How do you find the median of a set of numbers?

Back

To find the median, arrange the numbers in order and identify the middle number. If there is an even number of items, the median is the average of the two middle numbers.

Tags

CCSS.6.SP.B.5C

Front

What is the mode in a set of numbers?

Back

The mode is the number that appears most frequently in a set of numbers.

Tags

CCSS.6.SP.B.5C

Front

What is the range of a set of numbers?

Back

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

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Front

What is the interquartile range (IQR)?

Back

The interquartile range 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

Front

Define 'population' in statistics.

Back

A population is the entire group of individuals or items that is the subject of a statistical study.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

Define 'sample' in statistics.

Back

A sample is a subset of a population selected for analysis.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is a random sample?

Back

A random sample is a sample that is selected from a population in such a way that every individual has an equal chance of being chosen.

Tags

CCSS.HSS.IC.B.3

Front

What is a biased sample?

Back

A biased sample is one that does not accurately represent the population, often due to the method of selection.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is a quartile?

Back

A quartile is a type of quantile that divides a data set into four equal parts.

Tags

CCSS.6.SP.B.5C