Double Line Graphs

Q. Consider the following double line graph of the number of watered plants by Harish in his school garden in two weeks.


Choose the correct option regarding the double line graph.

1. Harish was more consistent in watering plants in the $1^{st}$ week than the $2^{nd}$ week.
2. Harish was more consistent in watering plants in the $2^{nd}$ week than the $1^{st}$ week.
3. It is impossible to interpret any such conclusion using the given representation.

Q. Which form of graph is more appropriate for comparing the electricity usage data of two households in relation to the number of people in each house? Electricity Consumed (units) Number of Person in a House House A House B

4	8	10
6	13	12
8	15	17
10	18	20

1. Combined bar graph
2. Combined histogram
3. (a) and (b) above.
4. Double line graph

Q. In a double line graph, two data sets have the same -

1. categories
2. scale on vertical axis
3. color indication
4. maximum and minimum frequency

Q. A graph consists of two line graphs. It is a convenient way of comparing two data sets of same categories. This graph is a graph.

Q.
In Science and Social Studies, student B did better than student A.

1. False
2. True

Q. For the double line graph given below, the examination scores are shown in the

1. $x-$axis
2. $y-$axis
3. key