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This article was co-written by David Jia. David Jia is a tutoring teacher and founder of LA Math Tutoring, a private tutoring facility based in Los Angeles, California. With over 10 years of teaching experience, David teaches a wide variety of subjects to students of all ages and grades, as well as college admissions counseling and prep for SAT, ACT, ISEE, etc. scoring 800 in math and 690 in English on the SAT, David was awarded a Dickinson Scholarship to the University of Miami, where he graduated with a bachelor’s degree in business administration. Additionally, David has worked as an instructor in online videos for textbook companies such as Larson Texts, Big Ideas Learning, and Big Ideas Math.

This article has been viewed 1,652 times.

In statistics, range is the difference between the maximum and minimum values of a data set. Range represents the spread of values in the series. The larger the range, the further apart the values in the series will be; if the range is small, the values will be closer together. This wikiHow teaches you how to calculate ranges.

**List the elements in the data set.**To calculate the range of a string, you need to list all the elements in it to determine the largest and the smallest number. Write down all the elements in the sequence. For example: 20, 24, 25,19, 24, 28 and 14.

- It is easy to determine the largest and the smallest number if the data set is ordered. In this example, the sequence of numbers needs to be rearranged as follows: 14, 19, 20, 24, 24, 25, 28.
- When you write down all the elements in the sequence, you’ll be able to perform other calculations, such as determining the mean, the median (also called the median), or the frequently occurring value. best in the set.

**Determine the largest and smallest number in the set.**In the above set, we have the smallest number 14 and the largest number 28.

**Subtract the smallest number from the largest number.**After determining the largest and smallest numbers in the set, you just need to find their difference. In the above example, we have: 28 – 14 = 14. So the range of this sequence is 14.

**Make a clear conclusion.**After finding the scope, you need to conclude explicitly. This way, you will avoid confusing this metric with other statistical operations that may arise for the data set (such as finding the mean, median, or frequent occurrence of a data set). Chain).

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## Advice

- The median of a statistical data set represents the “middle” value of the series based on the distribution of the data, not the range. Therefore, you may be confused that the middle value of some data set is equal to the range divided by 2, or 1/2 the distance of the two extreme points. To determine the correct median, you need to list the elements of the data in order, then find the value in between. This middle element is the median of the data set. For example, if you have a list of 29 elements, the 15th element will be equidistant from the top and bottom of the list, respectively. So the 15th element is the median, no matter how its value correlates with the range.
- “Range” can also be interpreted in algebraic terms, but you need to understand the concept of a function first. A function is a set of operations on a given number. Function operations can be represented by any number (even an unknown number), so the variable is usually represented by the letter “x”. The definite set (also called the domain of determination, or domain) of a function is the set of values of the variable that make the function meaningful. The range (or range of values) of a function is the set of results of the function when we replace each variable in the deterministic set. There is no specific method to determine the range of values of a function. Usually, you can graph the function or test a few values if you want to get a better idea of the function’s scope. In addition, you can also apply your knowledge of the function’s deterministic set to exclude certain output values and narrow the range of values.

This article was co-written by David Jia. David Jia is a tutoring teacher and founder of LA Math Tutoring, a private tutoring facility based in Los Angeles, California. With over 10 years of teaching experience, David teaches a wide variety of subjects to students of all ages and grades, as well as college admissions counseling and prep for SAT, ACT, ISEE, etc. scoring 800 in math and 690 in English on the SAT, David was awarded a Dickinson Scholarship to the University of Miami, where he graduated with a bachelor’s degree in business administration. Additionally, David has worked as an instructor in online videos for textbook companies such as Larson Texts, Big Ideas Learning, and Big Ideas Math.

This article has been viewed 1,652 times.

In statistics, range is the difference between the maximum and minimum values of a data set. Range represents the spread of values in the series. The larger the range, the further apart the values in the series will be; if the range is small, the values will be closer together. This wikiHow teaches you how to calculate ranges.

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