(D) In a frequency polygon,the $x$-axis represents the class marks (mid-points) of the class intervals,and the $y$-axis represents the corresponding f

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(D) In a frequency polygon,the $x$-axis represents the class marks (mid-points) of the class intervals,and the $y$-axis represents the corresponding frequencies. The class mark is calculated as $\frac{\text{Upper limit} + \text{Lower limit}}{2}$.

Class 9 Mathematics Statistics Mix Examples - Statistics and Probability

Easy

The ............. of each class of frequency distribution is shown on the $x$-axis,in a frequency polygon.

A
Frequency
B
class mode
C
class median
D
class mark

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Mix Examples - Statistics and Probability

Ten observations $6, 14, 15, 17, x+1, 2x-13, 30, 32, 34, 43$ are written in an ascending order. The median of the data is $24$. Find the value of $x$.

Medium

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Represent the following data by a bar graph:

Name of student Kavya Ariv Ahaan Arya Arushi

Marks scored $90$ $80$ $50$ $60$ $40$

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The observation which is repeated most often in an ungrouped data is called .......... of the data.

Easy

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The mean of the observations $x+5$,$x+3$,$x+11$,and $x+1$ is ..........

Easy

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The mean of the data $\frac{4}{7}, \frac{4}{9}, \frac{3}{7}, \frac{5}{9}$ is ........

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Name of student	Kavya	Ariv	Ahaan	Arya	Arushi
Marks scored	$90$	$80$	$50$	$60$	$40$

The ............. of each class of frequency distribution is shown on the $x$-axis,in a frequency polygon.

Similar Questions

Ten observations $6, 14, 15, 17, x+1, 2x-13, 30, 32, 34, 43$ are written in an ascending order. The median of the data is $24$. Find the value of $x$.

Represent the following data by a bar graph: Name of student Kavya Ariv Ahaan Arya Arushi Marks scored $90$ $80$ $50$ $60$ $40$

The observation which is repeated most often in an ungrouped data is called .......... of the data.

The mean of the observations $x+5$,$x+3$,$x+11$,and $x+1$ is ..........

The mean of the data $\frac{4}{7}, \frac{4}{9}, \frac{3}{7}, \frac{5}{9}$ is ........

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Represent the following data by a bar graph:

Name of student Kavya Ariv Ahaan Arya Arushi

Marks scored $90$ $80$ $50$ $60$ $40$