To sort data, go to Table > Sort, then select by Label or Data to sort your data.
Q2. How to read the diamonds in the graph?
You can obtain the mean diamonds by selecting Display Options under the Red Triangle menu in the Fit Y by X platform. The Mean Diamonds draw a horizontal line through the mean of each group proportional to its horizontal axis. The top and bottom points of the mean diamond show the upper and lower 95% confidence points for each group. For more information on Mean Diamonds try: