Mean, Median, Mode, and Range

A teacher counted the number of burps in the cafeteria each day of a week. Here is the data: 12, 20, 54, 12, 87

What is the mean number of burps?

(a)  

Answer explanation

The longest burp ever recorded is 1 minute 13 seconds and 57 milliseconds long and was achieved by Michele Forgione in Reggiolo, Italy, on June 16, 2009.

Tags

CCSS.6.SP.B.5C

Here are the home run totals for players on the St. Louis Cardinals: 31, 25, 25, 17, 13, 11, 11, 10, 5, 4, 3, 3, 1, 1, 1, 1.

What is the mode for the number of home runs?

• 1, 3, 11, and 25

• 1

• No mode

• 25

Answer explanation

In 1998, Mark McGwire's home runs traveled at total of 29,958 feet. This is more than the height of Mt. Everest. Of course, this was the combined total of 70 home runs. If somebody hit 1 home run that traveled 29,958 feet, that would be incredibly impressive.

Tags

CCSS.6.SP.B.5C

In St. Louis, the high temperatures for the next 7 days are (in degrees Fahrenheit): 90, 82, 85, 85, 87, 89, and 88. What is the median temperature over the next 7 days?

(a)  

Answer explanation

The Sun is the largest object in our solar system, comprising 99.8% of the system’s mass.

Tags

CCSS.6.SP.B.5C

What is the median of this data set?

10 , 15 , 33 , 159

(a)  

Answer explanation

When you have two numbers in the middle, add them and divide by 2 to find the median.

Tags

CCSS.6.SP.B.5C

The distribution of this data set can best be described as...

• Right-skewed

• Left-skewed

• Symmetrical

• Purple

Answer explanation

The tail is on the right, so it is right-skewed.

Tags

CCSS.6.SP.A.2

CCSS.6.SP.B.5

CCSS.6.SP.A.3

The distribution of this data set can best be described as...

• Right-skewed

• Left-skewed

• Symmetrical

• Stinky

Answer explanation

The tail is on the left, so it is left-skewed.

Tags

CCSS.6.SP.A.2

The distribution of this data set can best be described as...

• Right-skewed

• Left-skewed

• Symmetrical

• Baroque

Answer explanation

The data peaks in the middle and gently slopes to both sides; therefore, the data is symmetrical.

Tags

CCSS.6.SP.A.2

CCSS.6.SP.B.4

Find the mean of the following numbers:

40, 45, 32, 79, 57, 50, 40

(a)  

Answer explanation

To find the mean (average), add the numbers and divide by the number of numbers.

Tags

CCSS.6.SP.B.5C

The mean of 8 numbers is 11. What is the total of all 8 numbers?

(a)  

Answer explanation

Multiply the mean by the number of numbers to get the total.

Tags

CCSS.6.SP.B.5C

What is the range of the following numbers?

1, 2, 4, 3, 3, 2, 2, 3, 3, 2, 2, 2, 2, 2, 2, 5, 2

(a)  

Answer explanation

To find the range, subtract the smallest number from the largest number.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1