Histogram
Trending Questions
The height of the bars in a histogram represents the frequency of the data (in the considered class interval) and width of the histogram represents class width.
width
frequency
The weekly wages (in Rs) of 30 workers in a factory are given:830, 835, 890, 810, 835, 836, 869, 845, 898, 890, 820, 860, 832, 833, 855, 845, 804, 808, 812, 840, 885, 835, 835, 836, 878, 840, 868, 890, 806, 840 Marks a frequency table with intervals as 800-810, 810-820 and so on, using tally marks Also, draw a histogram and answer the following questions:
(i) Which group has the maximum number of workers?
(ii) How many workers earn Rs 850 and more?
(iii) How many workers earn less than Rs 850?
Mark0−1010−2020−3030−4040−5050−6060−7070−80No. of Students (Frequency):4101622201882
Represent the data in the form of a histogram [4 MARKS]
Question 57
In a histogram, class intervals and frequencies are taken along
The histogram below represents marks of students in a Mathematics exam with passing marks as 30. For finding the number of failed students, what is the class interval that needs to be considered?
- 15 - 30
- 0 - 30
- 15 - 45
- 30 - 100
- frequency
- class
- interval
- width
The height of the rectangle in a histogram is proportional to __________.
z-axis
x-axis
class interval
frequency of the class interval
- 60
- 66
- 68
- 70
- class interval
- class size
- class mark
- class limit
Draw a histogram for the daily earnings of 30 drug stores in the following table:
Dialy earnings (in Rs):450−500500−550550−600600−650650−700Number of stores:1610731
How many trees have height exactly 75 feet?
- 13
- 5
- Can't be determined
- 10
Given below is the frequency distribution of the heights of 50 students of a class:
Classinterval:140−145145−150150−155155−160160−165Frequency:81218105
Draw a histogram representing the above data.
- the graph must look symmetric
- the data is grouped
- it is the followed convention
State true or false
Every histogram is a bar graph and vice-versa.
True
False
Draw a histogram of the following data:
Class interval:10−1515−2020−2525−3030−3535−40Frequency:309880582950
Draw a histogram representing the above data.
A photographer uses a computer program to enlarge a photograph. What is the scale according to which the width has enlarged?
The number of hours for which students of a particular class watched television during holidays is shown in the given graph.
We draw the histogram for above frequency table:
Answer the following:
How many students watched TV for less than 4 hours?
The histogram below shows the marks obtained by students in Mathematics.
In class intervals ________________ and ________________ , the number of students are equal.
10-20 and 30-40
30-40 and 60-70
40-50 and 60-70
30-40 and 50-60
The histogram below represents the Mathematics marks of the students.
Find the total number of students with total marks more than or equal to 40 and less than 70.
18
27
24
40
State true or false.
The height of a histogram represents the frequency of the data of a class interval and width of the histogram represents class width.
TRUE
FALSE
Question 1
The height of a rectangle in a histogram shows the
(a) Width of the class
(b) Upper limit of the class
(c) Lower limit of the class
(d) Frequency of the class
Number of workshops organized by a school in different areas during the last five years is as follows:
YearsNo.of workshops1995−1996251996−1997301997−1998421998−1999501999−200065
Draw a histogram representing the above data.
Question 103
In a hypothetical sample of 20 people, the amount of money (in Rs thousands) with each was found to be as follows :
114, 108, 100, 98, 101, 109, 117, 119, 126, 131,
136, 143, 156, 169, 182, 195, 207, 219, 235, 118
Draw a histogram of the frequency distribution, taking one of the class intervals as 50-100.
- Pie chart
- Line graph
- Histogram
- Pictograph
Shown below is a histogram representing height of cherry trees. Find the correct statement(s) among the given options.
Total number of trees is 31
The most common height is 70-75 feet
Least common height is 85-90 feet
Total number of trees is 32
How many people are having height between 149.5 cm and 169.5 cm?
- 16
- 6
- 8
- 16
The histogram below represents marks of students in a Mathematics exam with passing marks as 30. How many students failed in the exam?
16
15
14
8
- exclusive
- inclusive or exclusive
- comprehensive
- inclusive
The number of students who have scored between 80-90 marks is