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What is the mean of the combined data sets if the mean of a data set of 6 is 8 and the mean of a different data set of 6 numbers is 20?
total marks of data set 1 is 6 x 8 = 48 total marks of data set 2 is 6 x 20= 120 now, the total mean of the combined data set is = (48 + 120) / (6 + 6) = 168 / 12 = 14
How do you find the mean of the data?
Th find the mean of a data set, you add up all the values in the data set and divide this sum by the number of data values. For example, the mean for the data set 2, 5, 6, and 7 is given as 2 plus 5 plus 6 plus 7, which is 20. You divide this sum by number of values in the data set, which is 4 to get 5 as the mean.
How mean of a data set is always one of the data points in a set of data. Explain?
The mean of a set of data is the sum of all those data values, divided by the numbers of values in the set. For instance, if we had 1, 3 and 5, the mean would be (1+3+5)/3 = 3. The mean doesn't always have to be one of the data points in the set. For instance, if we had the data 1, 6, 7, 7, 8. The mean would be (1+6+7+7+8)/5 = 5.8, even though 5.8 isn't one of the values in the set.
What is the mean for each set of data 9 6 5 9 11?
The mean is 8.
A data set has 9 values The mean of the set is 5 When a tenth value is added the mean becomes 6 What is the tenth value?
15
What is the mean of the following set of data 8 9 15 6 7 2 1 and 0?
6.
What are mean median and mode?
MEAN: The mean is the average. You find it by adding up every number in the set, and then dividing the sum by the number of data in the set. EX: 4, 6, 6, 10 = 24 24/4= 6 6 IS THE MEAN. MEDIAN: The median is the middle number in the data set. EX: 4, 6, ``6``, 8, 10 6 is the middle number. 6 is the median. MODE: The mode is the number that occurs most in the data set. 4, 6, 6, 8, 10 6 occurs the most. 6 is the mode.
What is the mean of a set of data?
The mean is the average. To find the average, add up the numbers and then divided by the number of numbers there were. Here is an example: Find the mean of this set of data: 1, 4, 6, 9, 4, 6, 2, 8 Add up all the numbers in the set then divide by how many numbers were in that set. When you add up all the things in this data, you get forty. There are eight pieces of data in this set, and so you divide forty by eight. The mean in this example is five!
What is another word for the mean in a set of data?
The mean of a set of data is also known is the average.
How do you find the median with an even data set?
Let the data set be 3,4,5,6,7,8. First put the data in rank order ; already done!!!! To find the MEDIAN , we tak the two middle numbers, '5' & '6' in this case. Then (5 + 6) / 2 = 11/2 = 5.5 5.5 is the Median.
What is the balance point of the data set of 2 4 5 6 9 10?
It is the mean which is the Sum/Count = 36/6 = 6
What do you call the average of a set of data?
The average of a set of data is known as its "mean."
