Matrix A- begin pmatrix 1 - 1 - 1 - 1 - 1 182 - 3 - 4 - 5183 - 6 - 10 - 15 -184 - 10 - 20 - 35 -1 - 5 - 15 - 35 - 70endpmatrix is a matrix of order

The correct option is D Square , 5 × 5 The given matrix has 5 rows and 5 columns. Hence it is a square matrix of order 5 × 5. ...

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Square Matrix

Matrix A= beg...

Question

$M a t r i x A = ⎛ ⎜ ⎜ ⎜ ⎜ ⎜ ⎜ ⎝ \begin{matrix} 1 & 1 & 1 & 1 & 1 1 & 2 & 3 & 4 & 5 1 & 3 & 6 & 10 & 15 1 & 4 & 10 & 20 & 35 1 & 5 & 15 & 35 & 70 \end{matrix} ⎞ ⎟ ⎟ ⎟ ⎟ ⎟ ⎟ ⎠$ is a _ matrix of order _

Square , $5 \times 5$

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Square, $4 \times 4$

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Rectangular, $5 \times 5$

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Rectangular $4 \times 5$

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D_{P} = ∣ ∣ ∣ ∣ ∣ \begin{matrix} P & 15 & 8 P^{2} & 35 & 9 P^{3} & 25 & 10 \end{matrix} ∣ ∣ ∣ ∣ ∣,

D_{1} + D_{2} + D_{3} + D_{4} + D_{5}

M \times (\begin{matrix} 1 & 2 0 & 5 \end{matrix}) (\begin{matrix} 2 & 3 & 0 4 & - 2 & 1 \end{matrix})

A

⎡ ⎢ ⎣ \begin{matrix} 2 & - 1 1 & 0 - 3 & 4 \end{matrix} ⎤ ⎥ ⎦ A = ⎡ ⎢ ⎣ \begin{matrix} - 1 & - 8 & - 10 1 & - 2 & - 5 9 & 22 & 15 \end{matrix} ⎤ ⎥ ⎦

Find the Mean of the following frequency table by step - deviation method :

$\begin{matrix} Class Interval & Frequency 10 - 15 & 10 15 - 20 & 5 20 - 25 & 6 25 - 30 & 8 30 - 35 & 4 35 - 40 & 7 \end{matrix}$

Q_{3}

Marks Group	$5 - 10$	$10 - 15$	$15 - 20$	$20 - 25$	2 $5 - 30$	$30 - 35$	$35 - 40$	$40 - 45$
No. of Students	$5$	$6$	$15$	$10$	$5$	$4$	$2$	$1$

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