no,a bar graph is not a pictograph,pictograph's represent data by pictures and bar graphs by bars...
No, if they are, it is called a histogram
a circle graph is in a circular form and represents your data using pieces inside of itbar graphs represents data using bars
It doesn't matter
circle graphs add up to 100% , bar and line graphs don't
the bars normally do not touch each other.
error bar can be drawn for statistical comparison of bars and graphs.
They are essential by definition. It is not possible to have a bar graph with no bars!
bar graphs use bars and pictographs use pictures
error bar
error bar
yes they can
No! Bar and line graphs are different bar graphs show bars and line graph shows lines.
error bar
bar graphs are for measuring points of data.
error bar
pictographs have pictures bar graphs have bars