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2.2 Refer to the table below. DateUK large 20067.70% 2007-5.20% 2008-29.48% 2009 25.14% 201012.99% 2011-3.14% 2012 10.55% 20133.67% 20143.72% 2015-9.90% (a) Calculate the arithmetic average

2.2Refer to the table below.

DateUK large

20067.70%

2007-5.20%

2008-29.48%

2009 25.14%

201012.99%

2011-3.14%

2012 10.55%

20133.67%

20143.72%

2015-9.90%

(a)Calculate the arithmetic average returns for the indices in the table over the period 2011 - 2015.

(b) Calculate the standard deviation of the returns for the indices over the period 2011 - 2015.

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