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It is simply the sum of all grades divided by the number of grades: the arithmetical average of the grades. If some tests were more important than others then you might take a weighted average whereby you attach more importance (weight) to the important tests.

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Q: What does unweighted sum of all grades mean?
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What does it mean unweighted sum of all grades for a student?

It is simply the sum of all grades divided by the number of grades: the arithmetical average of the grades. If some tests were more important than others then you might take a weighted average whereby you attach more importance (weight) to the important tests.


What is unweighted mean?

It is the sum of the observed values divided by the number of observations. Each observed value is given equal weight or treated with the same degree of importance.


The mean of 100 numerical observations is 35.73 What is the value of the sum of all 100 numbers?

The mean of a series is equal to the sum divided by the number of items in the series. So, mean = sum/number, which means the sum is equal to the mean times the number. In this case, the sum is 3573.


Find average for grades?

A grade is usually assigned a number as well. To find the average, you will need to add the numbers of the grades. Then, divide the sum by the number of grades there are.


What is the mean of 2,4,6,8,10,12?

Mathematical mean is the same as an average, e.g. sum of all numbers divided by the amount. The sum is 42 and there are six numbers so the mean is 7.


If the mean of 100 numerical observations is 47.83 What is the value of the sum of all 100 numbers?

100 times the mean, or 4783, because the mean is defined as the sum of all the numbers divided by the number of the numbers.


What is the sum of the deviations from the mean?

The sum of standard deviations from the mean is the error.


What does sum mean in a computer?

It means all of the terms added together


The sum of all the numbers divided by the number of addends is the?

mean, or average


What mean math?

Mean is where you add all of the nubers get the sum then devide by how many numbers are in the problem. Sum is all the numbers added together. So 2,3,1 add them all up and get:6 devide 6 by 3 and get 2


What does sum and difference mean?

sum mean to add and differene mean to subtrat


What is the mean of 12,17,19,16,14,20,22?

To find the mean, you find the average of the numbers. This means that you just add all of the numbers and then divide that sum by how many numbers are in the list. The sum of all the numbers is 120 which you can then divide by 7 to get 17.143.