Question

In: Finance

Based on the following information, calculate the Beta (β) of ASEA Brown Boveri (ABB) a leading...

Based on the following information, calculate the Beta (β) of ASEA Brown Boveri (ABB) a leading Swiss heavy equipment manufacturer specializing in robotics and automation technology.

Returns
Year ABB DJIA-Market
2015 8.60% 10.50%
2016 -15.30% -14.40%
2017 22.90% 18.70%
2018 33.10% 25.50%
2019 16.60% 15.90%

Solutions

Expert Solution

ABB [ Y ] DJIA - Market [ X ] Y2 X2 XY
8.60 10.50 73.96 110.25 90.3
-15.30 -14.40 234.09 207.36 220.32
22.90 18.70 524.41 349.69 428.23
33.10 25.50 1095.61 650.25 844.05
16.60 15.90 275.56 252.81 263.94
65.9 56.2 2203.63 1570.36 1846.84

Correlation co-efficient : -

r = n Σ XY - ( ΣX) (ΣY) / √ n Σ X2 - (ΣX)2 √ n Σ Y2 - (Σ Y)2

   = ( 5 * 1846.84) - ( 56.2 * 65.9 ) / √ ( 5 * 1570.36) - (56.2)2  √ (5 * 2203.63) - (65.9)2

= 9234.2 - 3703.58 / √ 7851.8 - 3158.44 √ 11018.15 - 4342.81

= 5530.62 / √ 4693.36 √ 6675.34

= 5530.62 / ( 68.5081 * 81.7027).

= 0.988

Calculation of Standerd deviation - DJIA

=   √ N ΣX2 - (ΣX)2 / N2

= √ 5 * 1570.36 - (56.2)2 / 25

=  √ 7851.8 -3158.44 / 25

=  √ 4693.36 / 25

=  √ 187.73

= 13.70

Calculation of Standerd deviation - ABB

=   √ N ΣY2 - (ΣY)2 / N2

= √ 5 * 2203.63 - (65.9)2 / 25

=  √ 11018.15 -4342.81 / 25

= √ 6675.34 / 25

= √267.01

= 16.34

Calculation of Beta :-

= Correlation co-efficient * Std dev (ABB) * std dev (DJIA) / [std dev of (DJIA) ]2

= (0.98 ) (16.34 * 13.70) / (13.70)2

= 219.38084 / 187.69

= 1.16


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