What type of graph is this?

What is the title of this graph?

In this graph, how many answer choice options are there?

According to this graph, how many people own a dog?

According to this graph, how many children is one smiley face equal to?

On a scale from 1 to 5, how well do you think you understand the topic of bar graphs and picture graphs?

1 = not well at all

5 = very well