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प्रश्न
A graph that displays data that changes continuously over periods of time is ______.
पर्याय
bar graph
pie chart
histogram
line graph
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उत्तर
A graph that displays data that changes continuously over periods of time is line graph.
Explanation:
Line graph is an important way to represent and compare the data which varies continuously.
A line graph displays the relation between two varying quantities.
In a line graph, we connect all the points by a line segment while in bar graph and histogram, we use rectangles of uniform width.
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संबंधित प्रश्न
The following line graph shows the yearly sales figures for a manufacturing company.

- What were the sales in (i) 2002 (ii) 2006?
- What were the sales in (i) 2003 (ii) 2005?
- Compute the difference between the sales in 2002 and 2006.
- In which year was there the greatest difference between the sales as compared to its previous year?
For an experiment in Botany, two different plants, plant A and plant B were grown under similar laboratory conditions. Their heights were measured at the end of each week for 3 weeks. The results are shown by the following graph.

- How high was Plant A after (i) 2 weeks (ii) 3 weeks?
- How high was Plant B after (i) 2 weeks (ii) 3 weeks?
- How much did Plant A grow during the 3rd week?
- How much did Plant B grow from the end of the 2nd week to the end of the 3rd week?
- During which week did Plant A grow most?
- During which week did Plant B grow least?
- Were the two plants of the same height during any week shown here? Specify.
A courier-person cycles from a town to a neighboring suburban area to deliver a parcel to a merchant. His distance from the town at different times is shown by the following graph.

- What is the scale taken for the time axis?
- How much time did the person take for the travel?
- How far is the place of the merchant from the town?
- Did the person stop on his way? Explain.
- During which period did he ride fastest?
Can there be a time-temperature graph as follows? Justify your answer.

Can there be a time-temperature graph as follows? Justify your answer.

The following table shows the number of patients discharged from a hospital with HIV diagnosis in different years:
| Years: | 2002 | 2003 | 2004 | 2005 | 2006 |
| Number of patients: | 150 | 170 | 195 | 225 | 230 |
Represent this information by a graph.
The runs scored by a cricket team in first 15 overs are given below:
| Overs: | I | II | III | IV | V | VI | VII | VIII | IX | X | XI | XII | XIII | XIV | XV |
| Runs: | 2 | 1 | 4 | 2 | 6 | 8 | 10 | 21 | 5 | 8 | 3 | 2 | 6 | 8 | 12 |
Draw the graph representing the above data in two different ways as a graph and as a bar chart.
Find out from the growth chart

- Between which days did the length of the plant change the most?
Plot a line graph for the variables p and q where p is two times q i.e, the equation is p = 2q. Then find the value of q when p = 8
Study the graph and answer the questions that follow.
- What information does the graph give?
- On which day was the temperature the least?
- On which day was the temperature 31°C?
- Which was the hottest day?

