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Examples of data sets can be found at infochimps.com
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∙ 12y ago
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Can there be 2 modes in a data set?
There can be two modes in a data set. For example, in the data set {0,1,2,3,3,4,5,5,9}, there are two modes: 3 and 5.
If the mean of a set of data is 23 must 23 be one of the data values?
No, for example the set of data 15,20,26,28 has a median that is 20 + 26 /, or 23
Can the mode and median of a set of data have the same values?
Yes, for example this set: 1,2,2,5.
What is a example of discrete data?
Discrete data are observations on a variable that which take values from a discrete set.
How do you determine the maximum value of your data set?
Arrange the values in your data set in increasing order. The last value is the maximum value. Example: Data set : 3,5,2,4,6 Arranged values : 2,3,4,5,6 Maximum value is 6.
How do you find the minimun of a set of numbers?
The minimum of a set of numbers is the lowest number of the set. For example, let's say you have a data set like this: 9,7,6,1,3 The minimum would be 1, since it is the lowest number of the data set.
Does some quantitative data sets do not have a median?
No, they must have a median. However, if the data set is of even order, the median may not belong to the data set. For example, the median of 1,2,3,10 is halfway between 2 and 3 or 2.5 which is not a data point.
Can the mode and median for a data set be the same or different?
mode-the most (highest # in a set of data) median-the middle # when you put a set of data in order from least to greatest let's take for example a reasonable set of 10,3,4,5,7,5,9 3,4,5,5,7,9,10 3,4,5,5,7,9,10 and than your mode 5 because there was two 5's so YES IT IS POSSIBLE TO HAVE THE SAME MEDIAN AND MODE FOR ONE SET OF DATA DEPENDING ON WHAT THAT SET OF DATA IS
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.
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.
What is the mode in a group of numbers?
The mode is the answer which appears most frequently in a set of data! For example in this data: 2,4,4,6,7,7,7,8,8,9! The mode would be 7!
How do you find the modal number?
The mode of a data set is the one item (or number) that appears the most. For example a data set of 1, 3, 3, 5 would have a mode of 3.
