Types of Representation with Question and Answers

Question 1

Question:   By taking scale 1cm=10% draw a histogram of the following data:

Answer:    The required histogram representing the given data is shown in graph.

Question 2

Question:   Draw a histogram of the following frequency table.

Answer:    On the basis of data, we will first prepare the table of continuous classes and then draw the required histogram.

Question 3

Question:   Draw a bar diagram and frequency polygon from the table given below on one graph.

Answer:   

Question 4

Question:   Draw histogram of data given below.

Answer:    The required histogram for the given data is shown in graph.

Question 5

Question:   Find the mode of the following using a Histogram:

Answer:   

Mode = 24

Question 6

Question:   The IQ of 50 students are recorded as follows. Draw a histogram for the data and estimate the mode.

Answer:   

Mode = 107

Question 7

Question:   The time required in minutes for each of the 50 students to read 20 pages of a book is recorded below:
43 52 47 49 36 48 41 47 50 32 45
48 40 43 48 36 51 44 49 53 37 34
42 47 45 47 44 50 31 48 43 45 44
36 51 51 43 53 46 39 50 42 42 47
38 49 46 40 38 45
With the information, taking classes 30-34, 35-39, 40-44, 45-49 and 50-54,
i) Prepare a frequency distribution table.
ii) Draw a histogram.
iii) Draw a frequency polygon plotting points.

Answer:    i) The frequency distribution table for the given information is as follows:



(ii) and (iii): The histogram showing the given information and the corresponding frequency polygons are given below:

Question 8

Question:   Draw a histogram and a frequency polygon for the following frequency distribution.

Answer:   

Question 9

Question:   Draw a histogram and frequency polygon for the following:

Answer:   

Question 10

Question:   Draw a Histogram and Frequency polygon for the following:

Answer: