A frequency polygon is drawn using ______________.
Given:
A frequency polygon is drawn using
Solution:
A frequency polygon is a graphical representation of a frequency distribution.
It is drawn by plotting points corresponding to the midpoints of classes and their respective frequencies, and then joining the points using straight lines.
Thus, option(c) is correct
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90 Mins English English100 Questions100 Marks90 Mins English English40 Questions30 Marks25 Mins EnglishIf mean of the following distribution is 211, then what is the value of (4p – 3q)?
If x and y are upper limit of median class and lower limit of modal class, respectively in the following distribution, then what is the value of (2x + y)?
The following is the distribution of ages (in years) of children in a group:
What is the median age (in years) of children ?
If the mode of the following distribution is , then what is the value of k?
The median of the observations 6, 48, 32, 3, 37 and 18 is:
A student scores the following marks in 5 subjects: 60, 75, 80, 90, 95. What is the standard deviation?
The marks scored by 10 students are given below. 13, 20, 15, 13, 19, 12, 12, 11, 13, 10 The mode of the given data is:
In the following frequency distribution
| Height (in cm) | 140–145 | 145–150 | 150–155 | 155–160 | 160–165 | 165–170 |
| No. of students | 13 | 15 | 9 | 10 | 8 | 5 |
The sum of the upper limit of the modal class and the lower limit of the median class:
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