Introduction to Statistics Test

Front

What is the definition of statistics?

Back

A branch of mathematics dealing with the collection, organization, analysis, interpretation, and presentation of data.

Tags

CCSS.6.SP.B.5B

Front

What is a population in statistics?

Back

The entire group of individuals or instances about whom we hope to learn.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is the median?

Back

The middle value in a data set when the numbers are arranged in order.

Tags

CCSS.6.SP.B.5C

Front

What is the mode?

Back

The value that appears most frequently in a data set.

Tags

CCSS.6.SP.B.5C

Front

What is the mean?

Back

The average of a data set, calculated by adding all values and dividing by the number of values.

Tags

CCSS.6.SP.B.5C

Front

What does the interquartile range (IQR) represent?

Back

The range of the middle 50% of a data set, calculated as Q3 - Q1.

Tags

CCSS.6.SP.B.5C

Front

How do you find the median of a data set with an odd number of values?

Back

Arrange the data in order and select the middle value.

Tags

CCSS.6.SP.B.5C

Front

How do you find the median of a data set with an even number of values?

Back

Arrange the data in order and calculate the average of the two middle values.

Tags

CCSS.6.SP.B.5C

Front

What is an outlier?

Back

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

Front

What is the best measure of center for data with outliers?

Back

The median, as it is less affected by extreme values.

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2