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When a weighted average is taken this means that some numbers are what?
Wiki User
∙ 12y ago
More important than others.
Wiki User
∙ 12y ago
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Why is the average of numbers called mean?
'cause they were average, not fantastic! It is sometimes stated that the 'mean' means average. This is incorrect if "mean" is taken in the specific sense of "arithmetic mean" as there are different types of averages: the mean, median, and mode. For instance, average house prices almost always use the median value for the average.
What is the mathematical symbol for average?
The mathematical symbol for average is sometimes denoted by putting a line above the variable, like this: _ X The "Expectation value" of a random variable - is like a weighted average. E[X] or <X> or the Greek letter mu (µ) - are a few of the common symbols for the Expected Value of X. A random variable may, for example, represent your high school grades for each course taken, where each course has a different weight. The expectation value would be your weighted average of high school grades.
What does median mean in mathmatical terms?
Arithmetic, Statistics . the middle number in a given sequence of numbers, taken as the average of the two middle numbers when the sequence has an even number of numbers: 4 is the median of 1, 3, 4, 8, 9.
Are fractions counting numbers?
No. The counting numbers are usually taken to be 1, 2, 3, ...
What is an average step length?
The average step length is taken as 30 inches.
Difference between simple and weighted average?
In a simple average every value is worth the same, but in a weighted average, the frequency of each value is taken into consideration.
What is after tax wacc?
WACC stands for weighted average cost of capital. So after tax means cost of capital after taxes are taken into account.
What is after-tax wacc?
WACC stands for weighted average cost of capital. So after tax means cost of capital after taxes are taken into account.
The weighted mean is a special case for?
The weighted mean is simply the arithmetic mean; however, certain value that occur several times are taken into account. See an example http://financial-dictionary.thefreedictionary.com/weighted+average
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)
The mass of the atom depends on the nucleus and how many and it has?
The mass depends on how many protons and neutrons are in the nucleus. A proton and a neutron are just about the same mass, which is 1.00 amu. The electrons do not affect the mass because their masses are 0.00055 amu each, comparatively little. Practically nothing. The mass given on the periodic table is not in whole numbers though, because it is a weighted average of isotopes of the element. Isotopes are atoms of the same element that have different numbers of neutrons. The weighted average is taken by natural abundance. For instance, if Carbon-12 (six protons, six neutrons) is found 60% of the time, and Carbon-14 (six protons, eight neutrons) is found 40% of the time, then the weighted average is: 12.0*0.60+14.0*0.40=12.8amu
Why is the average of numbers called mean?
'cause they were average, not fantastic! It is sometimes stated that the 'mean' means average. This is incorrect if "mean" is taken in the specific sense of "arithmetic mean" as there are different types of averages: the mean, median, and mode. For instance, average house prices almost always use the median value for the average.
What is the average called when it is calculated by taking the sum of group of numbers?
the central tendency(average) taken like this is called ARITHMETIC MEAN
What is the mathematical symbol for average?
The mathematical symbol for average is sometimes denoted by putting a line above the variable, like this: _ X The "Expectation value" of a random variable - is like a weighted average. E[X] or <X> or the Greek letter mu (µ) - are a few of the common symbols for the Expected Value of X. A random variable may, for example, represent your high school grades for each course taken, where each course has a different weight. The expectation value would be your weighted average of high school grades.
What does the expression below par mean?
Par is taken as an average. Blow par means less than average, or not so good.
What is a median number?
the middle number in a set of numbers, taken as the average of the two middle numbers when the set has an even amount of numbers: 4 is the median of 1, 3, 4, 8, 9.
What does square numbers?
I think you have the wrong word here dose means - a quantity of a medicine or drug taken at one time.
