It is calculated the same way as if there were an odd number of numbers:
mean = sum of all the numbers ÷ how many numbers there are
The median however is calculated slightly differently. After the numbers have been sorted into order, then:
eg if there are 15 numbers this is the ((15+1)÷2)th = 8th number.
eg if there are 20 numbers, then the median is the mean of the (20÷2)th = 10th and the (20÷2+1)th = 11th numbers, ie the median is (10th number + 11th number)÷2
Even Numbers mean that they are like not odd and are in the 2 times tables. An even number can be evenly divided by 2.
The only prime number that's even is 2 the rest are odd but that doesn't mean ALL odd numbers are prime. Many are but not most.
The answer to what is the sum of the first positive even numbers is 930. It doesn't mean that you add all the even numbers up until you reach the number 30. In fact, since you have to get the sum of the even numbers, you have to add all even numbers until you get to the number 60.
mean = all the numbers added together, divided by the number of numbers median = the middle number - get the numbers in chronological ( smallest 2 biggest) order, then if its odd number of numbers, its the middle one if its even number of numbers, then its the middle two, added together divided by two
No odd numbers are divisible by even numbers.
because in a mean for 7 with three numbers the total of the 3 numbers must be 21 and (even number) + (even number) = (even number) 21 is odd Q.E.D
Even Numbers mean that they are like not odd and are in the 2 times tables. An even number can be evenly divided by 2.
do you mean " what does all even numbers have as factors?"? then the number two.
the numbers which are divisible by 2 is called even numbers, for example: 2, 4, 6, 8,10
In mathematics, all nonzero numbers have factors. Some factors are even numbers, some are odd. An even factor is a factor that is an even number.
The only prime number that's even is 2 the rest are odd but that doesn't mean ALL odd numbers are prime. Many are but not most.
The answer to what is the sum of the first positive even numbers is 930. It doesn't mean that you add all the even numbers up until you reach the number 30. In fact, since you have to get the sum of the even numbers, you have to add all even numbers until you get to the number 60.
The sum of two odd numbers or two even numbers is an even number. The sum of an odd number and an even number is an odd number.
mean = all the numbers added together, divided by the number of numbers median = the middle number - get the numbers in chronological ( smallest 2 biggest) order, then if its odd number of numbers, its the middle one if its even number of numbers, then its the middle two, added together divided by two
A factor number is a range that has an amount which can be indivisibly divided by its own factor of odd numbers that also can compose to the mean of even numbers.
'2' is an EVEN number. Any larger numbers ending in 0,2,4,6,8, are EVEN Numbers. Any number ending in 1,3,5,7,9 are ODD Numbers.
mean is the average of a bunch of numbers. the median is the middle number of the bunch. if the bunch has an even amount of numbers, you average the middle 2 numbers to get the median.