No studies have been done - you should do this for a science project and get an A!
bar graph
circle graph
It depends on what the graph is about. For example, if you were making a graph about how many students in each class, you would put the classes on the bottom, or x axis, and the amounts of students on the side, or y axis.
Try actually reading your homework questions before copying and pasting them.
The type of graph you would use would be a PICTURE GRAPH or a TALLY CHART
bar or pie graph
circle graph
Double bar graph
Anyone of them is fine. It doesn't really matter.
To determine how many students practiced the piano for more than 3 hours a week, you would need to analyze the data presented in the plot graph. Look for the section of the graph that represents practice times exceeding 3 hours and count the number of students indicated in that range. The total from that segment will give you the answer. If you have the graph, you can visually identify and count those students directly.
The simple subject in the sentence, Our task was to graph how many students wore red, would be task. Our is an adjective to modify task.
The simple subject in the sentence, Our task was to graph how many students wore red, would be task. Our is an adjective to modify task.