Comparing Histogram, Dot and Stem & Leaf Diagrams

Author:
Lew W.S.
Test scores of 30 students are represented using 3 possible statistical diagrams. Use the checkboxes to show or hide the diagrams.

Compare the different visual representations. Which one(s) are suitable for the given data?

If you are given only the stem and leaf diagram, can you represent the information as a (a) dot diagram? (b) histogram?

Check your answer here

If you are given only the histogram(grouped data), can you represent the information as a (a) dot diagram? (b) stem and leaf plot?

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What happens to the histogram if we change the size of the class intervals to 5 units ? (ie. using 6 equal width intervals)