The first step is to determine how many classes you want to have. Next, you subtract the lowest value in the data set from the highest value in the data set and then you divide by the number of classes that you want to have: Example 1: Group the following raw data into ten classes.
Which type of snake typically has oval shaped head and round eyes? As a general rule of thumb, non-poisionous snakes usually have oval shaped heads and round eyes. Venomous snakes tend to have more angular heads and eyes. Nearly impossibl â¦ e to answer here, many snakes have oval shaped heads and most of the harmless snakes have round pupils. One venomous snake that would fit this category is the Coral snake. Which type of snake typically has oval-shaped heads and round eyes?
The grass snake (Natrix natrix), sometimes called the ringed snake or water snake, is a Eurasian non-venomous snake. It is often found near water and feeds almost exclusively on amphibians.