IBM wonders if its announcement of an acquisition had a significant impact on its stock price. On the day of the announcement/event IBM's stock was up 1% while the Market Index was up 0.06%. Regression results for 120 days prior to the event are: . IBM Market Index Average Daily Returns: 0.045% Standard Deviation: 1.103 % 0.04% 1.265% Intercept = 0.0010 Slope 0.8500 :SSR 0.0129 Did the Event have a significant impact on the stock price? Test at the 5% significance level?

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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IBM wonders if its announcement of an acquisition had a significant impact on its stock price. On
the day of the announcement/event IBM's stock was up 1% while the Market Index was up 0.06%.
Regression results for 120 days prior to the event are: M
IBM
Market Index
Average Daily Returns:
0.045%
Standard Deviation: 1.103 %
0.04%
1.265%
Intercept = 0.0010; Slope 0.8500
:SSR 0.0129
Did the Event have a significant impact on the stock price? Test at the 5% significance level?
Transcribed Image Text:IBM wonders if its announcement of an acquisition had a significant impact on its stock price. On the day of the announcement/event IBM's stock was up 1% while the Market Index was up 0.06%. Regression results for 120 days prior to the event are: M IBM Market Index Average Daily Returns: 0.045% Standard Deviation: 1.103 % 0.04% 1.265% Intercept = 0.0010; Slope 0.8500 :SSR 0.0129 Did the Event have a significant impact on the stock price? Test at the 5% significance level?
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