Question

(b) From the following data calculate : (i) Standard Deviation of Y series, and
(ii) Coefficient of correlation :
X = .85Y; Y = .89X; 0, = 3.
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Answer 1

Answer:

$\huge{\underline{\sf{\orange{Answer -}}}}$

$let \: the \: whole \: quantity \: = x$

$A/Q$

$5\% \: of \: x = 600 \\ \\ = > \frac{5 \times x}{100} = 600 \\ \\ \\= > 5 \times x = 600 \times 100 \\ \\ \\ \ \: = > x = \frac{600 \times 100}{5} \\ \\ \: \\ = > x = \frac{120 \times 100}{1} \: \\ \\ x = 12000$

Therefore, The whole quantity = 12000