Study for the HSC Mathematics Standard 2 Exam. Utilize flashcards and multiple choice questions, each with hints and explanations. Prepare confidently for your exam success!

Multiple Choice

What is the average of the numbers 10, 12, and 14?

To find the average of a set of numbers, you need to add all the numbers together and then divide that sum by the total count of those numbers. In this case, the numbers you are averaging are 10, 12, and 14. First, calculate the sum of the numbers: 10 + 12 + 14 = 36 Next, determine how many numbers you are averaging. There are three numbers in this case. Now, divide the total sum by the count of the numbers to find the average: 36 ÷ 3 = 12 Thus, the average of the numbers 10, 12, and 14 is 12. This makes the answer correct. Understanding how to calculate averages is crucial for various applications in mathematics, especially statistics, where you often deal with sets of data to find their central tendency.

To find the average of a set of numbers, you need to add all the numbers together and then divide that sum by the total count of those numbers. In this case, the numbers you are averaging are 10, 12, and 14.

First, calculate the sum of the numbers:

10 + 12 + 14 = 36

Next, determine how many numbers you are averaging. There are three numbers in this case.

Now, divide the total sum by the count of the numbers to find the average:

36 ÷ 3 = 12

Thus, the average of the numbers 10, 12, and 14 is 12. This makes the answer correct. Understanding how to calculate averages is crucial for various applications in mathematics, especially statistics, where you often deal with sets of data to find their central tendency.