answersLogoWhite

0


Best Answer

V = 50.0

User Avatar

Wiki User

13y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: What is the variance of the set of data 45 35 35 30 25 40?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Continue Learning about Math & Arithmetic

What is the variance of these set of numbers 10 30 40 50 70?

The variance is: 500.0


What set of data has 6 numbers or more the median of 25 mean of 25 mode of 10 and 30 and range of 40 what are the 6 numbers?

10, 10, 20, 30, 30, 50.


What is the data if the mean is 25 median is 25 mode of 10 and 30 and a range of 40?

It is impossible to give a definite answer as there are many possible data sets.eg any "multiples" of the data sets:{6, 10, 10, 23, 25, 30, 30, 45, 46}{6, 10, 10, 24, 25, 30, 30, 44, 46}{7, 10, 10, 24, 25, 30, 30, 42, 47}{8, 10, 10, 24, 25, 30, 30, 40, 48}{9, 10, 10, 24, 25, 30, 30, 38, 49}{10, 10, 12, 24, 25, 30, 30, 34, 50}A "multiple" of a data set is to duplicate each element the required number of times, eg 3 x the first data set would be:{6, 6, 6, 10, 10, 10, 10, 10, 10, 23, 23, 23, 25, 25, 25, 30, 30, 30, 30, 30, 30, 45, 45, 45, 46, 46, 46}which also has the required properties.The list given is not an exhaustive list; for example adding two numbers whose sum is 50 with one less than 25 (and greater than the first element) and the other greater than 25 (and less than the last element) so that 10 and 30 remain the mode will not change the required properties.eg adding the numbers 11 & 39 to the first data set to create:{6, 10, 10, 11, 23, 25, 30, 30, 39, 45, 46}creates another base data set that can be multiplied.To create a base set:start with the mode = 10 & 30 and median = 25 by having two each of 10 & 30 and one 25: {10, 10, 25, 30, 30}Now add in the range of 40 without changing the current median by choosing two numbers that have a difference of 40 and are either side of 10 & 30, eg 6 and 46: {6, 10, 10, 25, 30, 30, 46} The sum of the data set so far is 6 + 10 + 10 + 25 + 30 + 30 + 46 = 157The next multiple of 25 is 175, so with the two numbers added, the data set must total 175 + 2 x 25 = 225Thus the added numbers must total 225 - 257 = 68.One must be less than 25 and greater than 6; the other greater than 25 and less than 46Try one at one less than 25 to see what the other could be: 68 - 24 = 44; okRequired data set is {6, 10, 10, 24, 25, 30, 30, 44, 46}An alternative pair could have been 23 and 68 - 23 = 45, giving: {6, 10, 10, 23, 25, 30, 30, 45, 46}Now create the required mean by adding two more numbers:This is by no means the only way to create a data set. Having an even number of elements is possible, just it makes ensuring the median is 25 is not so easy (as consideration then has to be applied to the mean of the middle two numbers), eg {10, 10, 20, 24, 26, 30, 30, 50} is an even data set that satisfies the conditions.


What is the variance of 30 32 47 57 66 79?

371.7666667


What is the average score of the numbers 44 28 and 18.?

To find the average of a data set take the sum of the numbers and divide that by the number of data points in the set. In practice, this means doing: (44+28+18)/3=30. 30 is the average.

Related questions

What is the variance of these set of numbers 10 30 40 50 70?

The variance is: 500.0


What is the range for each set of data 6 25 30 33 41 52?

The range is 46.


What set of data has 6 numbers or more the median of 25 mean of 25 mode of 10 and 30 and range of 40 what are the 6 numbers?

10, 10, 20, 30, 30, 50.


What is the data if the mean is 25 median is 25 mode of 10 and 30 and a range of 40?

It is impossible to give a definite answer as there are many possible data sets.eg any "multiples" of the data sets:{6, 10, 10, 23, 25, 30, 30, 45, 46}{6, 10, 10, 24, 25, 30, 30, 44, 46}{7, 10, 10, 24, 25, 30, 30, 42, 47}{8, 10, 10, 24, 25, 30, 30, 40, 48}{9, 10, 10, 24, 25, 30, 30, 38, 49}{10, 10, 12, 24, 25, 30, 30, 34, 50}A "multiple" of a data set is to duplicate each element the required number of times, eg 3 x the first data set would be:{6, 6, 6, 10, 10, 10, 10, 10, 10, 23, 23, 23, 25, 25, 25, 30, 30, 30, 30, 30, 30, 45, 45, 45, 46, 46, 46}which also has the required properties.The list given is not an exhaustive list; for example adding two numbers whose sum is 50 with one less than 25 (and greater than the first element) and the other greater than 25 (and less than the last element) so that 10 and 30 remain the mode will not change the required properties.eg adding the numbers 11 & 39 to the first data set to create:{6, 10, 10, 11, 23, 25, 30, 30, 39, 45, 46}creates another base data set that can be multiplied.To create a base set:start with the mode = 10 & 30 and median = 25 by having two each of 10 & 30 and one 25: {10, 10, 25, 30, 30}Now add in the range of 40 without changing the current median by choosing two numbers that have a difference of 40 and are either side of 10 & 30, eg 6 and 46: {6, 10, 10, 25, 30, 30, 46} The sum of the data set so far is 6 + 10 + 10 + 25 + 30 + 30 + 46 = 157The next multiple of 25 is 175, so with the two numbers added, the data set must total 175 + 2 x 25 = 225Thus the added numbers must total 225 - 257 = 68.One must be less than 25 and greater than 6; the other greater than 25 and less than 46Try one at one less than 25 to see what the other could be: 68 - 24 = 44; okRequired data set is {6, 10, 10, 24, 25, 30, 30, 44, 46}An alternative pair could have been 23 and 68 - 23 = 45, giving: {6, 10, 10, 23, 25, 30, 30, 45, 46}Now create the required mean by adding two more numbers:This is by no means the only way to create a data set. Having an even number of elements is possible, just it makes ensuring the median is 25 is not so easy (as consideration then has to be applied to the mean of the middle two numbers), eg {10, 10, 20, 24, 26, 30, 30, 50} is an even data set that satisfies the conditions.


Explain how you find the mean of a set of data?

To answer this question I will use an example. Data set: 10, 20, 30, 40, 50. First find the sum of all the numbers...so 10+20+30+40+50= 150. Then you take the sum (150) and divide it by the number of numbers in the data set. So 150 divided by 5 (the number of numbers in this data set) = 30. 30= the mean of the above data set. Finding the mean is pretty simple. :)


What is the variance of 30 32 47 57 66 and 79?

The variance of 30 32 47 57 66 and 79 = 371.7667


How to find the variance of 36 percent of voters favor a given ballot for groups of 30 voters find the variance for the nunmber who favor the measure?

If you assume a binomial distribution, the variance is n*p*(1-p) where n is the number of voters = 30 p is the probability of support = 0.36 So variance = 30*0.36*0.64 = 6.912


What is the average in these set of numbers 35 25 30 24?

28.5


Explain how to find the range of set of data?

The range = the difference between the highest and the lowest values in the data set. For example if I had a data set like this: 10, 20, 30, 40, 50 50 is the highest number and 10 is the lowest number. 50-10= 40. 40= the range of the above data set.


What is the variance of 30 32 47 57 66 79?

371.7666667


What is the average score of the numbers 44 28 and 18.?

To find the average of a data set take the sum of the numbers and divide that by the number of data points in the set. In practice, this means doing: (44+28+18)/3=30. 30 is the average.


Analysis of daily wages of workers in two organisations a and b yielded the following results organisation a b no of workers 10 20 average daily wages rs 30 15 variance 25 100 obtain the average daily?

Analysis of daily wages of workers in two organisations A and B yielded the following results: Organisation A B No. of workers 10 20 Average daily wages (Rs) 30 15 Variance 25 100