Answer:
B. There were fewer households with four children in 1980 than in 1960.
C. There were more households with no children in 1980 than in 1990.
Expalnation:
Bar diagram:
It is also known as a column graph, a bar graph, or a bar diagram and is a pictorial representation of data. It is described in the form of rectangles spaced out with equal spaces between them and it has equal width. The equal width, equal space scenario are important characteristics of a bar graph.
Types of bar diagram:
Vertical bar diagram
It is the best when you have to compare between two or more independent variables.
Horizontal bar diagram:
If the data is having negative-positive values but having a comparison between two or more fixed independent variables horizontal bar graph is suited.
Range bar graph
Itis a range of data for each independent variable.
Learn more about bar diagram:
Difference between the histogram and simple bar diagram?
brainly.in/question/2528971
What is the difference between multiple bar diagrams and compound bar diagrams?
brainly.in/question/14775802
