Use the following common stock price information for Ciena Corporation (Ticker: CIEN) to answer questions 4 - 8. Assume that Ciena doesn't pay a dividend. End of Year Stock Price Return 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 $15.66 $23.33 48.98% $18.52 -20.62% $17.77 -4.05% $24.34 36.97% $21.28 -12.57% $38.09 78.99% $40.67 6.77% $53.39 31.28% $66.31 24.20% $52.02 -21.55% The sum of squares equals 0.9843291.

Use the following common stock price information for Ciena Corporation (Ticker: CIEN) to answer questions 4-8. Assume that Ciena doesn't pay a dividend. The sum of squares equals 0.9843291 . The average return is: $37.14 16.84% 15.31% $33.76 The standard deviation of returns is: 31.37% 33.07% 0.109370% 3.14% The variance of returns is: 0.033071 or 330.71 0.022082 or 22.082 0.109370% 0.1093699 or 1093.699 If you purchased this stock at the end of 2013 and sold it at the end of 2020 , your holding period return would be: 56.30% 117.25% 128.85% 76.72% If you purchased this stock at the end of 2013 and sold it at the end of 2021 , your annualized return would be: 16.58% 4.258.07% 13.95% 12.24%