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प्रश्न
As part of his science project, Prithvi was supposed to record the temperature every hour one Saturday from 6 am to midnight. At noon, he was taking lunch and forgot to record the temperature. At 8:00 pm, his favourite show came on and so forgot again. He recorded the data so collected on a graph sheet as shown below.
- Why does it make sense to connect the points in this situation?
- Describe the overall trend, or pattern, in the way the temperature changes over the time period shown on the graph.
- Estimate the temperature at noon and 8 pm.
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उत्तर
- By connecting the points, it is easier to understand a change in the temperature.
- Initially the temperature was 8°C at 6 am and started increasing strictly till 1 pm and after that it decreased to 8°C till 12 pm.
- At 12 pm 19°C and at 8 pm 10°C.
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संबंधित प्रश्न
Use the tables below to draw linear graphs.
Population (in thousands) of men and women in a village in different years.
| Year | 2003 | 2004 | 2005 | 2006 | 2007 |
| Number of men | 12 | 12.5 | 13 | 13.2 | 13.5 |
| Number of women | 11.3 | 11.9 | 13 | 13.6 | 12.8 |
Can there be a time-temperature graph as follows? Justify your answer.
The following table shows the sales of a commodity during the years 2000 to 2006.
| Years: | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 |
| Sales (in lakhs of Rs): | 1.5 | 1.8 | 2.4 | 3.2 | 5.4 | 7.8 | 8.6 |
Draw a graph of this information.
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| Overs: | I | II | III | IV | V | VI | VII | VIII | IX | X |
| Team A: | 2 | 1 | 8 | 9 | 4 | 5 | 6 | 10 | 6 | 2 |
| Team B: | 5 | 6 | 2 | 10 | 5 | 6 | 3 | 4 | 8 | 10 |
Draw a graph depicting the data, making the graphs on the same axes in each case 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?
Find out from the growth chart
- Will the plant keep growing all the time? What will be its length on the 100th day? Make a guess!
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- 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?
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- What type of a graph is this?
- What information does the graph give?
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- About how many people are there in the shop at 1:30 pm?
