Mean, Median, Range, and IQR

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 numbers together and dividing by the total count of numbers.

Tags

CCSS.6.SP.B.5C

Front

How do you find the median of a data set?

Back

To find the median, arrange the numbers in ascending 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 in a data set?

Back

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

Tags

CCSS.6.SP.B.5C

Front

Define the range of a data set.

Back

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

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Front

What does IQR stand for?

Back

IQR stands for Interquartile Range, which measures the spread of the middle 50% of a data set.

Tags

CCSS.6.SP.B.5C

Front

How do you calculate the IQR?

Back

To calculate the IQR, subtract the first quartile (Q1) from the third quartile (Q3). IQR = Q3 - Q1.

Tags

CCSS.6.SP.B.5C

Front

What is the first step in finding the mean?

Back

The first step in finding the mean is to add all the numbers in the data set together.

Tags

CCSS.6.SP.B.5C

Front

If a data set is 5, 7, 8, 9, 10, what is the median?

Back

The median is 8, as it is the middle number in the ordered set.

Tags

CCSS.6.SP.B.5C

Front

What is the mode of the data set: 2, 3, 4, 4, 5?

Back

The mode is 4, as it appears most frequently.

Tags

CCSS.6.SP.B.5C

Front

Calculate the range of the following numbers: 12, 15, 22, 30.

Back

The range is 30 - 12 = 18.

Tags

CCSS.HSS.ID.A.1

CCSS.6.SP.B.4