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:
