When drawing a histogram, it is important to A) eliminate the extremes to minimize the effect of skewness. B) choose class intervals so all contain a similar number of observations. C) label the vertical axis so the reader can determine the counts or percent in each class interval. D) make certain the mean and median are contained in the same class interval so the correct type of skewness can be identified.

The figure shows triangle def and line segment bc, which is parallel to ef: triangle def has a point b on side de and point c on side df. the line bc is parallel to the line ef. part a: is triangle def similar to triangle dbc? explain using what you know about triangle similarity. part b: which line segment on triangle dbc corresponds to line segment ef? explain your answer. part c: which angle on triangle dbc corresponds to angle f? explain your answer. asap