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Mathematics 21 Online
OpenStudy (anonymous):

Which of the following measures tells something about the distribution of a data set?

OpenStudy (anonymous):

answers mean median range

OpenStudy (anonymous):

mean right

OpenStudy (anonymous):

Mean, and median are both measures of central tendency, so they won't tell you a whole lot about the distribution of the data set.

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

In other words, they tell you where the "middle" of the data set is, where distribution is about where ALL the data is.

OpenStudy (anonymous):

ok so what should i put

OpenStudy (anonymous):

The one that isn't a measure of central tendency.

OpenStudy (anonymous):

The mean just gives the average. For data set: { 4,5,6} and {1,5,9}. Both gives the same mean of 5 so we can tell clearly that mean doesnt say much about the distribution. Mean is obviously not the answer we are looking for. Next, is median. For data set: { 4,5,6} and {1,5,100} Both have the median 5. Looking at the vast difference between the 2 data sets, you can tell also that median cannot actually tell you the distribution of the data set. Next Range, For data set: {4,5,6} and {1,5,100} The ranges will be [4,6] and [1,100] The range definitely tell you the distribution of the 2 data sets not matter how big a difference the 2 data sets may have.

OpenStudy (anonymous):

what one then

OpenStudy (anonymous):

Don't just go hunting for the answers. Me and dalvoran gave you very clear explanations. Try reading them and understand?

OpenStudy (anonymous):

ok

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