Identify the modal class- the upper limit of the modal class and the lower limit of the modal class for the given data- Agein years 5-15 15-25 25-35 35-45 45-55 55-65- Number of patients 6 11 21 23 14 5- -

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Standard X

Mathematics

Class Interval

Identify the ...

Question

Identify the modal class, the upper limit of the modal class and the lower limit of the modal class for the given data:
$\begin{matrix} A g e (i n y e a r s) & 5 - 15 & 15 - 25 & 25 - 35 & 35 - 45 & 45 - 55 & 55 - 65 N u m b e r o f p a t i e n t s & 6 & 11 & 21 & 23 & 14 & 5 \end{matrix}$

15-25, 11, 21

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35-45, 45, 35

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35-45, 35, 45

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15-55, 11, 31

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Solution

The correct option is B 35-45, 45, 35
The class with the maximum frequency is the modal class, which is 35-45 for the given data with a frequency of 23. The lower limit is 35 and the upper limit is 45.

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Similar questions

Q. Identify the modal class, the upper limit of the modal class and the lower limit of the modal class for the given data:

\begin{matrix} A g e (i n y e a r s) & 5 - 15 & 15 - 25 & 25 - 35 & 35 - 45 & 45 - 55 & 55 - 65 N u m b e r o f p a t i e n t s & 6 & 11 & 21 & 23 & 14 & 5 \end{matrix}

Identify the modal class, the upper limit of the modal class and the lower limit of the modal class for the given data:
$\begin{matrix} Age(in years) & 5 - 15 & 15 - 25 & 25 - 35 & 35 - 45 & 45 - 55 & 55 - 65 Number of patients & 6 & 11 & 21 & 23 & 14 & 5 \end{matrix}$

In the formula for finding mode of a grouped data,

Mode = $X + (\frac{A - B}{2 A - B - C}) \times h$

$\begin{matrix} i) X & a) f r e q u e n c y o f t h e c l a s s p r e c e d i n g t h e m o d a l c l a s s i i) A & b) L o w e r l i m i t o f t h e m o d a l c l a s s i i i) B & c) frequency of the class succeeding the modal class i v) C & d) f r e q u e n c y o f t h e m o d a l c l a s s \end{matrix}$

Match the options.

Q. Question 6
For the following distribution,

\begin{matrix} C l a s s & 0 - 5 & 5 - 10 & 10 - 15 & 15 - 20 & 20 - 25 F r e q u e n c y & 10 & 15 & 12 & 20 & 9 \end{matrix}

the sum of lower limits of the median class and modal class is
(a) 15
(b) 25
(c) 30
(d) 35

Q. Question 9
Consider the data

\begin{matrix} C l a s s & 65 - 85 & 85 - 105 & 105 - 125 & 125 - 145 & 145 - 165 & 165 - 185 & 185 - 205 F r e q u e n c y & 4 & 5 & 13 & 20 & 14 & 7 & 4 \end{matrix}

The difference of the upper limit of the median class and the lower limit of the modal calss is
(a) 0
(b) 19
(c) 20
(d) 38

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Identify the modal class, the upper limit of the modal class and the lower limit of the modal class for the given data: Age(in years)5−1515−2525−3535−4545−5555−65Number of patients6112123145

The correct option is B 35-45, 45, 35The class with the maximum frequency is the modal class, which is 35-45 for the given data with a frequency of 23. The lower limit is 35 and the upper limit is 45.

Identify the modal class, the upper limit of the modal class and the lower limit of the modal class for the given data:
$\begin{matrix} A g e (i n y e a r s) & 5 - 15 & 15 - 25 & 25 - 35 & 35 - 45 & 45 - 55 & 55 - 65 N u m b e r o f p a t i e n t s & 6 & 11 & 21 & 23 & 14 & 5 \end{matrix}$

The correct option is B 35-45, 45, 35
The class with the maximum frequency is the modal class, which is 35-45 for the given data with a frequency of 23. The lower limit is 35 and the upper limit is 45.