Scale

Q. What is the scale of the bar graph given below ?

1. 
   1 unit = 500 bikes
2. 
   1 unit = 300 bikes
3. 
   1 unit = 400 bikes
4. 
   1 unit = 100 bikes

Q. Bar graph consists of rectangular bars which are drawn on one of the axis at ______.

1. uniform distance
2. random distance
3. unequal distance
4. unlike distance

Q. The performance of a student in $1^{st}$ term and $2^{nd}$ term is given. Draw a double bar graph choosing appropriate scale and answer the following:
$\begin{array}{cccccc}Subject& English& Hindi& Maths& Science& S.Science\\ 1^{st}term\left(MM.100\right)& 67& 72& 88& 81& 73\\ 2^{nd}term\left(MM.100\right)& 70& 65& 95& 85& 75\end{array}$
In which subject has the child improved his performance the most?

Q.

With some more asking, Jack found that it was 13th April, 1770 and he was in City of Dundee, Scotland. It was actually year 1770. While Jack was talking to that guy, he found out that he was in class 5 but was actually solving class 10 questions.

Impressed by that guy’s genius, Jack asked him, “What’s your name?” He replied - “William, William Playfair”. When Jack heard that, he was shocked because -

1. William Playfair is the inventor of data

2. William Playfair is the inventor of bar graphs

3. William Playfair is the inventor of mean, median and mode

4. William Playfair is inventor of geometry

Q. Observe the given bar graph carefully and answer the questions that follow.

What information does the bar graph depict?

Q. The capacities of three water tanks are in the ratio 4 : 5 : 9. The smallest of them can hold 2160 litres. How much can the biggest one hold?

1. 4560 litres
2. 5040 litres
3. 4566 litres
4. 4860 litres

Q.

1. 4 cm
2. 1 cm
3. 2 cm
4. 5 cm

Q.

Pick out the features of a double bar graph.

1. Histogram

2. Line graph

3. Single bar graph

4. Double bar graph

Q. The following table shows the interest paid by a company (in lakhs):

Year	1995-96	1996-97	1997-98	1998-99	1999-2000
Interest (in laksh of ruees)	20	25	15	18	30

Draw the bar graph to represent the above information

Q. I don, t understanded conversion unit

Q. The following data shows Indias total population (in millions) from 1951 to 2001.
Represent the data by a bar graph.

Year of census	1951	1961	1971	1981	1991	2001
population (in millions)	360	432	540	684	852	1020

Q. Choose the bar graph which is best suitable to represents 100 students who come by bike to college, as per the given scale.
Scale: 1 unit length = 20 students

1. 5 units
2. 6 units
3. 3 units
4. 4 units

Q. Histogram and bar graph are two names of the same type of graph.

1. False
2. True

Q.

A graph showing two sets of data simultaneously is known as:

1. Histogram

2. Pie chart

3. Double bar graph

4. Pictograph

Q. A double bar graph is shown below. Choose the correct options :-

1. Scale of white bar is greater to the scale of black bar
2. Scale of white bar is equal to the scale of black bar
3. Scale of white bar is lesser to the scale of black bar
   
4. Both bar should have different scale

Q. The following data gives the number (in thousands) of applicants registered with an Employment Exchange during, 1995-2000:

Year	1995	1996	1997	1998	1999	2000
Number of applicants registered (in thousands)	18	20	24	28	30	34

Construct a bar graph to represent the above data.

Q. Two bar graphs are merged to form a double bar graph. Scale of the initial bar graphs should be :-

1. 
   Unequal
2. 
   Equal
3. 
   Compared
4. 
   Zero

Q.

Bar graphs usually present _______ and numeric variables grouped in class intervals.

1. Categorical

2. Vertical

3. Horizontal

4. None of the above

Q. Given below is a bar graph showing the heights of five mountain peaks.



Read the bar graph carefully and answer the following questions:
(i) Which is the highest peak and what is its height?
(ii) What is the ratio of the heights of the highest peak and the next highest peak?
(iii) Arrange the heights of the given peaks in descending order.

Q.

Two carpenters were making furniture at Sameer's house. Sameer observed that the carpenter took out his measuring tape and marked 6.85 inches on a wooden plank. By mistake, his colleague cut the plank at 4.75 inches. What is the length of extra wood that needs to be added to it, so as to get the required length?

1. 2.50 inches

2. 4.75 inches

3. 2.10 inches

4. 3.43 inches

Q. The following table shows the interest paid by a company (in lakhs):

Year	1995-96	1996-97	1997-98	1998-99	1999-2000
Interest (in lakhs of rupees)	20	25	15	18	30

Draw the bar graph to represent the above information.

Q. Which of the following double bar graphs represents the data where maximum and minimum temperature are recorded in a place in winter and summer respectively. (Take scale 1 unit = 5℃)

	Vizag	Chennai	Pune	Delhi
Summer	35℃	40℃	30℃	45℃
Winter	25℃	25℃	10℃	15℃

Q. In the bar graph, scaling helps in adjusting the height of the bar, according to the given data.

1. True
2. False

Q. The scale of a graph

1. compares the data.
2. calculates data.
3. provides the relation between the divisions on the axis and the units involved.
4. changes the data.

Q. The following table shows the life expectancy (average age to which people live) in various countries in a particular year. Represent this data by a bar graph.

Country	Japan	India	Britain	Ethiopia	Cambodia
Life expectancy (in years)	76	57	70	43	36

Q. In the bar graph, scaling helps in adjusting the height of the bar, according to the given data.

1. False
2. True

Q. One bar graph can have scale/scales.

1. only one
2. more than one
3. two

Q. For the below bar graph scale, we read 1 division as 20 runs.

1. True
2. False

Q.

In a bar graph, the widths of bars may be unequal.

1. True
2. False

Q. Scaling is associated with :-

1. 
   Bar Graph
2. 
   Double Bar Graph
3. 
   Pie - Chart
4. 
   Averages