You must be logged in to see worked solutions.

Already have an account? Log in here.

Whether you're trying to analyze a political poll, the results of a scientific study, or just your sleeping habits, data is the best tool for understanding the world around you. Dive in and see how!

You must be logged in to see worked solutions.

Already have an account? Log in here.

You must be logged in to see worked solutions.

Already have an account? Log in here.

\[ \{ -3.3, 6.7, x, 29.2, 42.4 \} \]

How many values of \(x\) are there that would make the range of the above set equal to 50?

You must be logged in to see worked solutions.

Already have an account? Log in here.

A set of three distinct positive integers has mean 4 and median 5. What is the largest number in the set?

**Details and assumptions**

The **mean** of a set of numbers is the average of the set.

The **median** of a set of numbers is the middle value, which divides the list into two equal halves. If there is an even number of them, the median will be the average of the two middle values.

You must be logged in to see worked solutions.

Already have an account? Log in here.

A group of 7 girls each wrote down a number
The average of the 7 numbers is 50.

The average of the numbers not written by Sally is 45.

What number did Sally write?

The average of the numbers not written by Sally is 45.

What number did Sally write?

You must be logged in to see worked solutions.

Already have an account? Log in here.

×

Problem Loading...

Note Loading...

Set Loading...