Question

4x^4 + 81 - Factorisation​

Answer 1

Answer:

Calculate Co-efficient of Correlation between

X and Y series.

Particulars X series Y series

No. of Obeservation 15 15

Arithmetic Mean 25 18

Standard Deviation    3.01 3.03

Sum of Squared of deviation from

Arithmetic Mean

136 138

Summation of production deviation of X and

Y series from their arithmetic mean=122