Consider the following annual returns (rounded) of Pepsi’s c…

Consider the following annual returns (rounded) of Pepsi’s common stock:  Pepsi’s Annual Return (%) 2016 5 2017 15 2018 -8 2019 24 2020 9 a.  Compute the average return, standard deviation, and coefficient of variation for Pepsi.  Show your work. b.  Coca-Cola during the same time period had an average return of 2.40%, a standard deviation of 5.37%  and a coefficient of variation of 2.24.  Based upon this information for Pepsi and Coca-Cola, which stock is preferred? Explain.

For the circuit shown below, RF is 4 kOhm.. The input signal…

For the circuit shown below, RF is 4 kOhm.. The input signals are given by Vin1 : a 2 Vpp sine wave with frequency 1 kHz.  Vin2 : 1 V DC The output waveform is observed to be  a 1 Vpp sine wave with -1 V of DC offset. What is the value of R1? Express your answer in kOhms.