Presentation of Data Test

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Presentation of Data Test - 8

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Question 1
1 / -0

The following graph shows the temperature of a patient in a hospital, recorded every hour.
What was the temperature at 1.30 p.m.?

A
$$34.5^{0}C$$

B
$$37.5^{0}C$$

C
$$36.5^{0}C$$

D
$$33.5^{0}C$$

Solution

The temperature at 1:30 PM will be $$36.5^oC$$; The point between 1 p.m. and 2 p.m. on the x-axis is equidistant from the two points showing 1 p.m. and 2 p.m., so it will represent 1.30 p.m. Similarly, the point on the y-axis, between $$36^oC$$ and $$37^oC$$ will represent $$36.5^oC.$$
Question 2
1 / -0

The following line graph shows the yearly sales figures for a manufacturing company. Compute the difference between the sales (in Rs. crores) in $$2002$$ and $$2006$$.

A
$$4$$

B
$$6$$

C
$$7$$

D
$$10$$

Solution

From the graph the value on $$y $$ - axis (denoting sales) for the year $$2002$$ is Rs $$4$$ crore.
From the graph the value on $$y $$ - axis (denoting sales) for the year $$2006$$ is Rs $$8$$ crore.
Difference in sales $$= 8 - 4$$ = $$4$$ crore.
Question 3
1 / -0

_____ represents data that changes continuously over period of time.

A
Line graph

B
Pie graph

C
Bar graph

D
Histogram

Solution

The line graphs shows a change in data over time. A line graph is useful for displaying data or information that changes continuously over time. Another name for a line graph is a line chart.
Hence, option A is correct.
Question 4
1 / -0

Directions For Questions

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

...view full instructions

The patient's temperature was same for two times during the period given. These two times were:

A
1 pm and 2 pm

B
2 pm and 3 pm

C
12 noon and 3 pm

D
9 am and 10 pm

Solution

From the graph the temperature curve is straight at 1 PM and at 2 PM.
This denotes that the temperature of the patient remained same from 1 PM to 2 PM
Hence, the answer is 1 pm and 2 pm.
Question 5
1 / -0

The following line graph shows the yearly sales figures for a manufacturing company. What were the sales in $$2005$$?

A
$$4$$

B
$$6$$

C
$$7$$

D
$$10$$

Solution

From the graph the value on $$y - axis$$ (denoting sales) for the year $$2005$$ is Rs. $$10$$ crore
Question 6
1 / -0

The following line graph shows the yearly sales figures for a manufacturing company. What were the sales (in Rs. crores) in $$2002$$?

A
$$2$$

B
$$4$$

C
$$6$$

D
$$8$$

Solution

As shown in the above graph, $$y$$ axis represents the sales(in crores) and $$x$$ axis represents the years.
So in the year $$2002$$ the sales were upto $$4$$ crore.
Question 7
1 / -0

The following line graph shows the yearly sales figures for a manufacturing company. What were the sales (in Rs. crores) in $$2006$$?

A
$$2$$

B
$$4$$

C
$$6$$

D
$$8$$

Solution

From the graph the value on $$y - axis$$ (denoting sales) for the year $$2006$$ is Rs $$8$$ crore
Question 8
1 / -0

The following line graph shows the yearly sales figures for a manufacturing company. What were the sales (in Rs. crores) in $$2003$$?

A
$$6$$

B
$$7$$

C
$$8$$

D
$$10$$

Solution

From the graph the value on $$y - axis$$ (denoting sales) for the year $$2003$$ is Rs $$7$$ crore
Question 9
1 / -0

Draw a graph for the following:
Side of square (in cm)
2
3
4
5
6
Area (in cm$$^2$$)
4
9
16
25
36
Is the graph linear?

A
Yes

B
No

C
Cannot be determined

D
None of these

Solution

Plotting the given points on the graph, we get a graph as shown in the figure above.
As seen in the graph, the points do not lie on the same straight line.

Hence, the graph is not linear.
Question 10
1 / -0

Simple tabulation gives information about several ___________ characteristics.

A
independent

B
dependent

C
categorized

D
None of these

Solution

Characteristics has to be dependent to be tabulated.
Simple tabulation provide information about various dependent characteristics.