Histograms
Trending Questions
A Histogram is a bar graph that shows data in intervals.
True
False
150, 120, 112, 160, 155, 151, 158, 142, 148, 149, 161, 165, 140, 157, 156, 146, 148, 153, 138, 135
- 27 cm
- 37 cm
- 17 cm
- 53 cm
To draw a histogram, the exclusive class has to be converted into inclusive class.
True
False
Question 26
Size of the class 150 - 175 is:
(a) 150
(b) 175
(c) 25
(d) –25
i) Percentage of people in the height range 149.5 -159.5cm is equal to ______.
ii) Percentage difference between the number of people in the height range 159.5 - 169.5cm and 169.5 - 179.5cm is____.
30%, 16.66 %
20%, 6.66%
20%, 16.66 %
30%, 6.67 %
What is the sum of the number of people having height 149.5 and 169.5?
- 9
- 5
- 14
- Can't be determined
- 70
- 80
- 60
- 100
Marks | 0-10 | 10-20 | 20-30 | 30-40 | 40-50 | 50-60 |
No. of Students | 7 | 10 | 14 | 20 | 6 | 3 |
Every histogram is a bar graph and vice-versa.
True
False
- pie
- bar
- line
- histograms
The tally chart shows the amount of rainfall in different cities. Jaipur has received __ rainfall.
12 cm
11 cm
10 cm
13 cm
- 40
- 60
- 80
- 50
The change in y over x = 2 and x = 4 is given as y increases by m.
What is the value of m?
- 2
The following table has been given with the relevant class mark and frequency.
Class markFrequency581510252354457553
Which of the following Histogram is correct for the given distribution
Class interval | 5-10 | 10-15 | 15-25 | 25-45 | 45-75 |
Frequency | 6 | 12 | 10 | 8 | 15 |
i) Percentage of people in the height range 149.5 -159.5cm is equal to ______.
ii) Percentage difference between the number of people in the height range 159.5 - 169.5cm and 169.5 - 179.5cm is____.
20 , 6.66%
30 , 16.66 %
20 , 16.66 %
30 , 6.66 %
The change in y over x = 2 and x = 4 is given as y increases by m.
What is the value of m?
- 2
- True
- False
Bar graphs are usually used to represent 'categorical data' while histogram are usually used for 'continuous data' .
True
False
Histogram is a type of diagram.
- Total number of trees is 31
- The most common range of height of trees is 70-75 feet
- Least common range of height is 85-90 feet
- Total number of trees is 32
- False
- True
The height of the rectangle in a histogram is proportional to __________.
z-axis
x-axis
class interval
frequency of the class interval
- Total number of people in 0-20 age group is 10
- Total number of people in 0-20 age group is 5
- Maximum number of people are from age group of 21-30 years
- Total number of people staying in the hotel is 35
If two bars in a histogram have unequal widths but the same height, then which class interval will have a higher density of observations?
The one with higher class width
The one with lower class width
Can't say
Both have same density
Which of the following is correct histogram for the given data?
None of these
Number of students securing marks between 70 and 100 is
- 4
- 2
- 6
- 8
- Class width
- Class sizes
- Class frequencies
- Range
1. The mean and median are equal in symmetric distribution.
2. The range is the difference between the maximum value and the minimum value in the data.
3. The sum of the areas of the rectangle in the histogram is equal to the total area bounded by the frequency polygon and the horizontal axis.
Which of the above statements are correct?
- 1 and 2 only
- 2 and 3 only
- 1 and 3 only
- 1, 2 and 3