Question 4 iii The length of 40 leaves of a plant are measured correct to one millimetre- and the obtained data is represented in the following table- array - c - c - WheLength in mm-Number of leaveslllhline 118-12683 1127-135 - 5 K136-144-911145-153 - 1211154-1628511163-171 - 4 1172-180 -2Wliline lendarrayiii Is it correct to conclude that the maximum number of leaves are 153 mm long- Why-

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Standard IX

Civics

The Parliamentary System

Question 4 ii...

Question

Question 4 (iii)
The length of 40 leaves of a plant are measured correct to one millimetre, and the obtained data is represented in the following table:
$\begin{matrix} L e n g t h (i n m m) & N u m b e r o f l e a v e s 118 - 126 & 3 127 - 135 & 5 136 - 144 & 9 145 - 153 & 12 154 - 162 & 5 163 - 171 & 4 172 - 180 & 2 \end{matrix}$
(iii) Is it correct to conclude that the maximum number of leaves are 153 mm long? Why?

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Solution

(iii) No, as maximum number of leaves(i.e.,12) has their length in between 144.5 mm and 153.5mm. It is not necessary that all have their lengths as 153 mm.

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Q. Question 4 (i)
The length of 40 leaves of a plant are measured correct to one millimetre, and the obtained data is represented in the following table:

\begin{matrix} L e n g t h (i n m m) & N u m b e r o f l e a v e s 118 - 126 & 3 127 - 135 & 5 136 - 144 & 9 145 - 153 & 12 154 - 162 & 5 163 - 171 & 4 172 - 180 & 2 \end{matrix}

(i) Draw a histogram to represent the given data.

Q. Question 4 (ii)
The length of 40 leaves of a plant are measured correct to one millimetre, and the obtained data is represented in the following table:

\begin{matrix} L e n g t h (i n m m) & N u m b e r o f l e a v e s 118 - 126 & 3 127 - 135 & 5 136 - 144 & 9 145 - 153 & 12 154 - 162 & 5 163 - 171 & 4 172 - 180 & 2 \end{matrix}

(ii) Is there any other suitable graphical representation for the same data?

Question 4 (iii)
The length of 40 leaves of a plant are measured correct to one millimetre, and the obtained data is represented in the following table:
$\begin{matrix} Length (in mm) & Number of leaves 118 - 126 & 3 127 - 135 & 5 136 - 144 & 9 145 - 153 & 12 154 - 162 & 5 163 - 171 & 4 172 - 180 & 2 \end{matrix}$
(iii) Is it correct to conclude that the maximum number of leaves are 153 mm long? Why?

The length of 40 leaves of a plant are measured correct to one millimeter, and the obtained data is represented in the following table:

Length (in mm)

Number of leaves

118 − 126

127 − 135

136 − 144

145 − 153

154 − 162

163 − 171

172 − 180

(i) Draw a histogram to represent the given data.

(ii) Is there any other suitable graphical representation for the same data?

(iii) Is it correct to conclude that the maximum number of leaves are 153 mm long? Why?

The length of $40$ leaves of a plant are measured correct to one millimeter, and the obtained data is represented in the following table:
$\begin{matrix} Length(in mm) & Number of leaves 118 - 126 & 3 127 - 135 & 5 136 - 144 & 9 145 - 153 & 12 154 - 162 & 5 163 - 171 & 4 172 - 180 & 2 \end{matrix}$
(i) Draw a histogram to represent the given data.

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