0
12.5
Wiki User
∙ 14y ago
Add your answer:
Earn +20 pts
How do you use number line to calculate the average of two different averages?
You cannot. It should be their weighted average with the weights representing the number of observations in each average.For example, if 3 numbers have an average of 10 and 6 numbers have an average of 20, the combined average is not the average of 10 and 20 (which is 15).It is, in fact, (3*10 + 6*20)/(3 + 6) = (30+120)/9 = 150/9 = 16.66...You cannot. It should be their weighted average with the weights representing the number of observations in each average.For example, if 3 numbers have an average of 10 and 6 numbers have an average of 20, the combined average is not the average of 10 and 20 (which is 15).It is, in fact, (3*10 + 6*20)/(3 + 6) = (30+120)/9 = 150/9 = 16.66...You cannot. It should be their weighted average with the weights representing the number of observations in each average.For example, if 3 numbers have an average of 10 and 6 numbers have an average of 20, the combined average is not the average of 10 and 20 (which is 15).It is, in fact, (3*10 + 6*20)/(3 + 6) = (30+120)/9 = 150/9 = 16.66...You cannot. It should be their weighted average with the weights representing the number of observations in each average.For example, if 3 numbers have an average of 10 and 6 numbers have an average of 20, the combined average is not the average of 10 and 20 (which is 15).It is, in fact, (3*10 + 6*20)/(3 + 6) = (30+120)/9 = 150/9 = 16.66...
Set of odds numbers divisible by 5 between 10 and 20?
Set of odds numbers divisible by 5 between 10 and 20?
What is halfway between negative 10 and positive 20?
5 It is 15 more than -10 and 15 less than +20. To find the halfway point (the average), add the two numbers and divide by 2. -10 + 20 = 10 divided by 2 = 5
What is the average of 16 and 29 and 15?
To find the average or mean - Add all the numbers together and divide by the amount of numbers you added: So 16 + 29 + 15 = 60 (1) (2) (3) <- So 3 numbers added together 60 / 3 = 20. So the average of 16, 29, and 15 is 20.
What five numbers have a mean of 15 and a range of 10?
10, 20, 15, 17, 13
How do you use number line to calculate the average of two different averages?
You cannot. It should be their weighted average with the weights representing the number of observations in each average.For example, if 3 numbers have an average of 10 and 6 numbers have an average of 20, the combined average is not the average of 10 and 20 (which is 15).It is, in fact, (3*10 + 6*20)/(3 + 6) = (30+120)/9 = 150/9 = 16.66...You cannot. It should be their weighted average with the weights representing the number of observations in each average.For example, if 3 numbers have an average of 10 and 6 numbers have an average of 20, the combined average is not the average of 10 and 20 (which is 15).It is, in fact, (3*10 + 6*20)/(3 + 6) = (30+120)/9 = 150/9 = 16.66...You cannot. It should be their weighted average with the weights representing the number of observations in each average.For example, if 3 numbers have an average of 10 and 6 numbers have an average of 20, the combined average is not the average of 10 and 20 (which is 15).It is, in fact, (3*10 + 6*20)/(3 + 6) = (30+120)/9 = 150/9 = 16.66...You cannot. It should be their weighted average with the weights representing the number of observations in each average.For example, if 3 numbers have an average of 10 and 6 numbers have an average of 20, the combined average is not the average of 10 and 20 (which is 15).It is, in fact, (3*10 + 6*20)/(3 + 6) = (30+120)/9 = 150/9 = 16.66...
What is the average of 5 10 15 20?
12.5 To find the average of a group of numbers, add all the numbers together and divide the sum by the number of numbers that were added together. Example: 5 + 10 + 15 + 20 = 50. Divide the sum (50) by 4 (you added four numbers together to get the sum): 50 divided by 4 = 12.5
What is the average of two number is 10?
Assuming mean average: average = sum/number_of_items → 10 = sum/2 → sum = 10 x 2 = 20 So any two numbers with a sum of 10 have a mean average of 10, eg {5, 15}, {1, 19}, {0, 20}, {-5, 25}, etc. With the median average, for two numbers it is exactly the same as the mean average, so any pair of numbers that sum to 20 will do. With the mode average, only the case of the pair of numbers {10, 10} will suffice.
What is the average of 10 20 and 30?
The average of these three numbers is 20.
What is halfway between -20 and 10?
-5 It is 15 more than -20 and 15 less than 10 To find a halfway point (which is also the average), add the numbers together and divide by 2. -20 + 10 = -10 and -10/2 = -5
The sum of two numbers is 20 and their difference is 10 Find the numbes?
The two numbers are 5 and 15. 5 + 15 = 20. 15 - 5 = 10.
Set of odds numbers divisible by 5 between 10 and 20?
Set of odds numbers divisible by 5 between 10 and 20?
What is the average mean for -20 -20 -10 10 15 20 30 25 20 10 8 -20?
Add up all the numbers together and then divide by 12 to find the average mean:- 68/12 = 17/3 or as 5 and 2/3
What is halfway between negative 10 and positive 20?
5 It is 15 more than -10 and 15 less than +20. To find the halfway point (the average), add the two numbers and divide by 2. -10 + 20 = 10 divided by 2 = 5
What is the average of 5101520 in arithmetic means?
I assume your 4 numbers are 5,10,15 and 20. If you add them and divide by the amount of numbers, you get 5+10+15+20, which is 50, divided by 4 which is 12.5
How many composite numbers are there from 10 to 20?
There are 7 composite numbers from 10 to 20 (including the boundaries):10, 12, 14, 15, 16, 18 and 20
What five numbers have a mean of 15 and a range of 10?
10, 20, 15, 17, 13
