What Have We Discussed?

1.Averagetotal is a number that represents or shows the central tendency of a group of observations or data.

2. Arithmetic MeanMedian is one of the representative values of data.

3. ModeMean is another form of central tendency or representative value. The modemean of a set of observations is the observation that occurs most often.

4. MedianMode is also a form of representative value. It refers to the value which lies in the middle of the data with half of the observations above it and the other half below it.

5. A bardouble bar graph is a representation of numbers using bars of uniform widths.

6. Double barbar graphs help to compare two collections of data at a glance.