Measures of Central Tendency

Front

What is the mean (average) of a set of numbers?

Back

The mean is the sum of all values divided by the number of values.

Tags

CCSS.6.SP.B.5C

Front

What is the mode in a data set?

Back

The mode is the value that appears most frequently in a data set.

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 numbers 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 numbers in order, take the two middle values, and calculate their average.

Tags

CCSS.6.SP.B.5C

Front

What is the range of a set of numbers?

Back

The range is the difference between the highest and lowest values in the set.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Front

If the scores are: 80, 85, 90, 95, what is the mean?

Back

The mean is (80 + 85 + 90 + 95) / 4 = 87.5.

Tags

CCSS.6.SP.B.5C

Front

What does it mean if a score is the mode?

Back

It means that score was achieved by more students than any other score.

Tags

CCSS.6.SP.A.3

Front

How do you calculate the range of the following scores: 70, 85, 90, 60?

Back

Range = 90 - 60 = 30.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Front

What is the median of the following numbers: 3, 1, 4, 2?

Back

First, arrange them: 1, 2, 3, 4. Median = (2 + 3) / 2 = 2.5.

Tags

CCSS.6.SP.B.5C

Front

What is the significance of the mean in a data set?

Back

The mean provides a measure of central tendency, indicating the average value.

Tags

CCSS.6.SP.A.3