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# What is the weighted average of the following 2 2 2.5 3 3 4?

Updated: 9/18/2023

Wiki User

13y ago

In addition to the observed values, a weighted average needs weights. No weights are given.

Wiki User

13y ago

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Q: What is the weighted average of the following 2 2 2.5 3 3 4?
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### Why do elements which exists as isotopes have fractional atomic mass?

Each isotope of an element has a different Atomic Mass, so an average is taken of all the isotopes, but the average is weighted because the natural abundance (%) of each isotope is factored in. If hydrogen-1 is much more abundant than deuterium and tritium, then the weighted average will be closer to 1 than 2 or 3 but not a whole number. The following equation shows how percent abundance factors into the weighted average. (atomic mass A)(X% abundance) + (atomic mass B)(Y% abundance)...=(weighted average of all isotopes of the element)(100% abundance)

### What is weighted average number of shares in accounting terms?

Weighted average number of shares = shares outstanding at start of year + shares at end of year / 2

### Definition of weighted average?

A weighted average is the average of a particular category and then weighted to whichever percentage it represents. Ex. Your course grade consists of 50% tests and 50% homework. You take two tests. You would take the average of the two tests and then weigh them against the total, which is 50%. (G1+G2)/2 x 50%

### How do you get weighted average for accounts payable?

Weighted Average Accounts payable = Opening period accounts payable + closing period accounts payable divided by 2 Example: Opening Accounts payable = 10000 Closing accounts payable = 20000 Average = 30000/2 = 15000

### What is the average of 25 and 8?

Average = (25 + 8) / 2 = 33/2 = 16 and 1/2 or 16.5 in decimal

### What is the average of 11 and 25?

It is: (11+25)/2 = 18

25(a - 2)(a + 2)

### How can you get the weighted average for activitie of different size in the same project?

A "weight" in these circumstances is equal to the number of times an entry is used in calculatin the average. Suppose we find the average of 1, 2, and 6. It is (1+2+6)/3 = 3. But suppose the value for 2 is regarded twice as reliable or important as the others. In that case you put it into the calculation twice: (1+2x2 + 6)/4=3.75 and that is a weighted average with the second item having weight 2. In general, you add up all the terms all with their own weights applied (some may be 1, some less than 1, some more than 1) and then divide by the sum of the weights, to finish up with a weighted average.

### What is the average of 25 to 51?

25+51=76 76/2 = 38 The average of the two numbers is 38.

### What is the formula to calculate average of percents?

The formula to calculate the average of percentage: (Percentage 1 + Percentage 2 + ... + Percentage n) / n Percentage 1, Percentage 2, ..., Percentage n are the individual percentages n is the number of percentages For example, if you have the following percentages: 30% 25% 15% The average percentage would be calculated as follows: (30% + 25% + 15%) / 3 = 25%

### Factor the following x2 10x 25?

x2 + 10x + 25 --&gt; (x + 5)2

### How do you calculate weighted average number of shares?

Weighted average shares = total number of shares remains outstanding during year divided by number of months For example: during first 6 months total outstanding shares are 100000 on 1st July company issues 100000 more share Now total shares = 200000 SO weighted average share = (100000 * 12 + 100000 * 6)/12 weighted average shares = 1800000/12 = 150000 OR weighted average shares = (200000 + 100000) /2 = 150000