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Weighted Mean Formula
An example of an average is a Weighted Mean Formula. Some data points add more “weight” than others to the final mean, as opposed to all data points contributing equally. The weighted mean is equal to the arithmetic mean (the commonly used “average”) if all of the weights are equal. In statistics, weighted means are frequently used, particularly when analysing populations.
When preparing for a test, it is typically a good idea to use CBSE study tools. The student’s comprehension is improved, and their topic knowledge expands. Students’ ability to learn is improved by using CBSE study materials. Only the NCERT texts are allowed for usage in classroom settings. For pupils in grades 1 through 12, the division of study materials by subject is encouraged. Although students are encouraged to use the CBSE Study Materials after completing the NCERT books for their courses, it is sufficient to study from the NCERT book for the particular subject.
Students in grades 1 through 12 must pay close attention to the concepts. For them to fully understand the concepts they are learning, the underlying principles of the ideas must be crystal clear in their minds.
This procedure ought to be followed in all classes, whether they are in Mathematics, history, physics, or any other subject. The best way to remember anything is to have study materials for CBSE on related subjects. The tools can be used during revision as well.
The information should be succinct, direct, and clearly indicate the remedy. Those that take notes are more likely to easily memorize the material, which aids them in performing well on tests. In addition to managing their resources, students should schedule their study sessions and methods. It helps kids finish the CBSE curriculum in a timely manner.
The innovative, enjoyable, and simpletouse Extramarks CBSE study materials help students learn more quickly and get ready for exams. Experts in their respective fields create the study materials while considering the most recent CBSE syllabus. A onestop resource for all Mathematics, Physics, Chemistry, and Biology questions, the Extramarks NCERT Solutions Class 9 was developed by subject experts.
The online CBSE study materials, which include the curriculum, books, sample tests, exam questions, NCERT solutions, critical thinking exercises, and CBSE notes, would be helpful for all students. Extramarks can swiftly study for their exams with the help of the CBSE study materials. Thus, it is essential that students study daily. This will enable children to finish their homework on time. Below is a detailed explanation of the Weighted Mean Formula for the benefit of the students. As a result, reading this page is necessary for understanding the Weighted Mean Formula.
Students need to understand how to use the Weighted Mean Formula, so they can apply it to answer any question. They are urged to start their studies at the beginning of the semester so that they would have a solid foundation before tackling the challenging Weighted Mean Formula. Students should make an effort to comprehend the NCERT Books for their personal benefit because they form the foundation of their knowledge.
What is Weighted Mean?
The provided topic complies with the requirements of the NCERT syllabus. These subjects will be taught using the NCERT textbook style. This topic was developed by considering the question papers from prior years. The test questions must be downloaded by students, who must then complete each one in accordance with the scoring requirements. It is very easy to comprehend the Weighted Mean Formula. Students must have this PDF because it is easily accessible to them via the Extramarks website and application. When students try to respond to questions based on the Weighted Mean Formula, this is helpful and userfriendly for them. Students should be able to handle the steps when responding to questions based on the Weighted Mean Formula because the subject is so diverse.
When certain data points are weighted more heavily than others, the Weighted Mean Formula is a sort of average that assists in equitably contributing to the final mean. In statistics, it is most frequently applied when the data is related to the population. The Weighted Mean Formula is equivalent to the arithmetic mean if the weighting of the data is uniform throughout the whole collection. To better understand the idea, let’s study more about the Weighted Mean Formula, and work through a few examples.
Weighted Mean Definition
The Weighted Mean Formula is a type of mean that is calculated by multiplying the weight connected to a specific event or outcome by its connected quantitative outcome and then adding up all the results. In other words, the Weighted Mean Formula is derived when certain values have a greater weight than others.
The sum of the product of the weights and quantities, divided by the total of the weights, is known as the weighted mean. The idea of the weighted mean is frequently applied in accounting to assign various weights based on time or priority.
How to Calculate the Weighted Mean?
Students employ the straightforward arithmetic mean calculation to determine the average for a set of values that have been equally weighted, in which the total sum of all values is divided by the total number of items in the set. But when one number is given more weight than the others, the Weighted Mean Formula is calculated. These two easy steps can be used to compute it:
Add the weights to the set of numbers.
Add the outcomes.
The provided data set, however, is more significant than the others in several values. Each of the values (x)n carries a weight (w)n. The following is the general formula to calculate the weighted mean:
Weighted mean = Σ(w)n (x̄)n/Σ(w)n
where,
x̄ = the mean value of the set of given data.
w = corresponding weight for each observation.
The formula’s straightforward stages for calculating the weight mean are as follows:
Step 1: In this step add up all the weighted values.
Step 2: Multiply the data set’s quantities and weighted values.
Step 3: Combine the values from steps 2 and 1.
Step 4: Multiply the outcome by the figure you arrived at in step 1.
Weighted Mean Formula
In mathematics, the average value of the data is determined using the weighted mean. When calculating the weighted mean, the average value can be determined by giving various weights to some of the individual variables. When data is presented in a different fashion than the arithmetic means or sample mean, we must compute the weighted mean. The average of the data values is calculated using many sorts of means.
By giving the quantities weights, the Weighted Mean Formula makes it easier to determine the mean of the quantities. Weights are assigned to the quantities based on their level of importance. The variables x1, x2, x3, …, xn and their weights w1, w2, w3…, wn are included in the calculation for weighted mean below, accordingly. In this case, the weighted mean represents the summary value of all the accessible quantities and is comparable to the average. The units of the weighted mean are the same as those of the component values.
Weighted Mean Vs Arithmetic Mean
Students must understand the Weighted Mean Formula before Arithmetic Mean. Here are some points mentioned below for students to understand the Weighted Mean Formula in the easiest and most understandable way.
 The sum of the quantities is divided by the weight before being multiplied by the weighted value.
 It is used in routine financial operations.
 It comes to a resolution to an issue.
Now students must know the Arithmetic Mean so that they will be able to identify the difference between Weighted Mean Formula and Arithmetic Mean.
 The sum of the quantities is divided by the total number of observations.
 It is an equation in Mathematics.
 It stands for a group of data.
Students must know the basics of Mathematics before studying complex concepts. Hence, a thorough study of Mathematics is the key to understanding.
Weighted Mean Examples
Use example questions on the Weighted Mean Formula if students wish to ace their tests. Students will benefit greatly from regular practice problems, which will help them fully understand the Weighted Mean Formula. When they need help, Extramarks provides examples. They will learn more about the Weighted Mean Formula as a result. Students will be able to qualify for any competitive examination if they are wellread and wellprepared for the test.
FAQs (Frequently Asked Questions)
1. How Is the Weighted Mean Formula Calculated?
There are two methods for calculating the Weighted Mean Formula.
 The weights are multiplied by the value and added once the sum of the weights equals 1.
 Students apply the Weighted Mean Formula when the sum of the weights is more than 1.
2. Is it useful for students to download the Weighted Mean Formula?
Yes, it is useful for students to download Weighted Mean Formula as it has stepbystep answers and an ample number of questions have been asked as well for students’ better understanding. Hence, students must not hesitate to download such useful and helpful PDFs provided by Extramarks.