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?
Rating Newest Oldest. Best Answer: The Grass Snake is typically dark green or brown in colour with a characteristic yellow collar behind the head, which explains the alternative name ringed snake.The colour may also range from grey to black. The underside is lighter in colour.ating Newest Oldest. Best Answer: The Grass Snake is typically dark green or brown in colour with a characteristic yellow collar behind the head, which explains the alternative name ringed snake.