Descriptive Statistics Test 20

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Descriptive Statistics Test 20

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Weekly Quiz Competition

Question 1
1 / -0

Directions For Questions

Draw the graphs for the following tables of values, with suitable scales on the axes.
Interest on deposits for a year is given in the following table:
Deposit (in Rs) $$1000$$
$$2000$$
$$3000$$
$$4000$$
$$5000$$
Simple Interest (in Rs)
$$80$$
$$160$$
$$240$$
$$320$$
$$400$$

...view full instructions

Use the graph to find the interest on Rs $$2500$$ for a year.

A
$$Rs. 100$$

B
$$Rs.200$$

C
$$Rs.300$$

D
$$Rs.400$$

Solution

From the above graph, we can observe that simple interest on $$Rs. 2500$$ rupees is $$Rs. 200$$ rupees which is marked as black point in the graph.
Question 2
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Directions For Questions

The following graph shows the temperature of a patient in a hospital, recorded every hour.

...view full instructions

The patients temperature at 1 p.m. is:

A
$$37.0$$ C

B
$$39.5$$ C

C
$$36.5$$ C

D
$$36.0$$ C

Solution

From the given graph, we can observe that at $$1 p.m.$$ the patient temperature is $$36.5^0C$$
Question 3
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Directions For Questions

Distance traveled by a car at the given time is given in the following table:
Time (in hours)
$$6$$ a.m
$$7$$ a.m
$$8$$ a.m
$$9$$ a.m
Distance (in km)
$$40$$
$$80$$
$$120$$
$$160$$

...view full instructions

How much distance did the car cover during the period 7.30 a.m. to 8 a.m?

A
$$20$$ km

B
$$40$$ km

C
$$80$$ km

D
$$100$$ km

Solution

Using the information provided in the table, we can plot the graph shown above, taking the time on the $$x-axis$$ and the distance (in km) on the $$y-axis$$.

From the above graph, we can observe that at $$7:30\ am$$, the distance traveled is $$100\space km$$ and at $$8:00\ am$$, the distance traveled is $$120 \space km$$.

Therefore, the distance covered during the period $$7:30$$ and $$8:00$$ is $$120-100=20\space km$$

Hence, option A is correct.
Question 4
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Directions For Questions

Distance traveled by a car at the given time is given in the following table:
Time (in hours)
$$6$$ a.m
$$7$$ a.m
$$8$$ a.m
$$9$$ a.m
Distance (in km)
$$40$$
$$80$$
$$120$$
$$160$$

...view full instructions

Draw a graph for the given information with suitable scales on the axes and answer the following question.
The time when the car had covered a distance of $$100$$ km since its start is:

A
$$7:00$$ am

B
$$7:30$$ am

C
$$ 8:00$$ am

D
$$8:30$$ am
Question 5
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Draw a graph for the following:
Side of square (in cm)
$$2$$
$$3$$
$$3.5$$
$$5$$
$$6$$
Perimeter (in cm)
$$8$$
$$12$$
$$14$$
$$20$$
$$24$$
State the typre of graph.

A
Linear graph

B
Bar graph

C
Pie graph

D
None of these

Solution

From the above graph, we observe that the graph is linear graph.
Question 6
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Directions For Questions

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.

...view full instructions

During which week did Plant B grow least?

A
1st week

B
2nd week

C
3rd week

D
None of these

Solution

Growth of plant B during 1st week $$= 1 - 0 = 1.$$
Growth of plant B during 2nd week $$ = 7 - 1 = 6.$$
Growth of plant B during 3rd week $$= 10 - 7 = 3.$$
Plant B grew least in the first week.
Question 7
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Directions For Questions

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.
(a) How high was Plant A after

...view full instructions

3 weeks

A
$$7cm$$

B
$$8cm$$

C
$$9cm$$

D
$$10cm$$

Solution

In the given graph, The dotted line represents the growth of the Plant $$A$$.
From the graph, we can observe that after $$3$$ weeks Plant $$A$$ has grown $$9\space cm$$
Question 8
1 / -0

Directions For Questions

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.
(a) How high was Plant A after

...view full instructions

2 weeks

A
$$7cm$$

B
$$8cm$$

C
$$9cm$$

D
$$10cm$$

Solution

In the given graph, The dotted line represents the growth of the Plant $$A$$.
From the graph, we can observe that after $$2$$ weeks Plant $$A$$ has grown $$7\space cm$$
Question 9
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Directions For Questions

The following graph shows the temperature forecast and the actual temperature for each day of a week.

...view full instructions

What was the maximum forecast temperature during the week?

A
$$10$$

B
$$20$$

C
$$25$$

D
$$35$$
Question 10
1 / -0

Directions For Questions

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.
(b)How high was Plant B after

...view full instructions

2 weeks

A
$$7cm$$

B
$$8cm$$

C
$$9cm$$

D
$$10cm$$

Solution

In the given graph, The straight line represents the growth of the Plant $$B$$.
From the graph, we can observe that after $$2$$ weeks Plant $$B$$ has grown $$7\space cm$$