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Data means chunk of information. When lots of data store in single space then it's called file.

Q: What does data items mean?

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The mean of a set of data is the sum of that data divided by the number of items of data.

The mean or average is the quotient found by dividing the sum of a set of data by the number of items of data.

That's the mean.

yes

The median is one of the averages (Mean, median and mode). which is such that exactly half the data items are greater than it and half are less than it; it is is found by listing all the data items in numerical (number line) order and then: * if there is an odd number of data items it is the one in the middle; * otherwise there are an even number of data items and it is the mean average of the middle two. The mean average is calculated by adding all the data items together and dividing by the number of items. The mean average is the average most people will think of if the unqualified word "average" is used. There are occasions when the mean and median averages can differ significantly - the mean is susceptible to extremes in the data set; if someone wants to make a point, they will often use one as an unqualified "average" (without specifying which), where the other may be very revealing.

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The Mean

The mean of a set of data is the sum of that data divided by the number of items of data.

The mean

The mean or average is the quotient found by dividing the sum of a set of data by the number of items of data.

The average or mean. NOT the median.

That's the mean.

yes

It is the average or arithmetic mean.

The median is one of the averages (Mean, median and mode). which is such that exactly half the data items are greater than it and half are less than it; it is is found by listing all the data items in numerical (number line) order and then: * if there is an odd number of data items it is the one in the middle; * otherwise there are an even number of data items and it is the mean average of the middle two. The mean average is calculated by adding all the data items together and dividing by the number of items. The mean average is the average most people will think of if the unqualified word "average" is used. There are occasions when the mean and median averages can differ significantly - the mean is susceptible to extremes in the data set; if someone wants to make a point, they will often use one as an unqualified "average" (without specifying which), where the other may be very revealing.

Data are values of qualitativeor quantitative variables, belonging to a set of items collected from the experiment.

the mean or the average

What is described here is the MEAN or AVERAGE, not the quotient.