19)Calculate the arithmetic average for the following returns:Year2017201820192020Return12.03%-8.24%1.34%4.55%Group of answer choices2.4%2.2%3.1%3.4%

Answered: 19) Calculate the arithmetic average…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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A man gets a raise of 12% in salary at end of first year and further raises of 16% ,19% and 25% at the end of second, third and fourth years respectively; the raise in each year being calculated on his salary at the beginning of the year. What is the average annual percentage increase?
Below are percentages for annual sales growth and net sales attributed to loyalty card usage at 74 Noodles & Company restaurants. Annual Sales Growth (%) and Loyalty Card Usage (% of Net Sales)(n = 74 restaurants) Store Growth% Loyalty% Store Growth% Loyalty% 1 −8.3 2.1 38 7.1 1.6 2 −4.0 2.5 39 7.4 1.8 3 −3.9 1.7 40 7.7 2.2 4 −3.4 2.1 41 7.9 2.2 5 −3.3 2.5 42 8.1 2.8 6 −1.9 3.0 43 8.3 2.4 7 −0.8 2.3 44 8.5 3.1 8 −0.4 2.3 45 8.6 2.2 9 −0.2 2.2 46 8.7 1.3 10 −0.2 2.3 47 8.8 1.8 11 0.5 2.1 48 8.8 2.5 12 0.6 2.5 49 8.9 1.9 13 0.8 2.0 50 9.1 2.0 14 1.9 2.0 51 9.5 2.4 15 2.0 2.0 52 10.2 2.2 16 2.1 2.6 53 10.7 2.2 17 2.8 2.2 54 11.0 0.3 18 2.9 2.1 55 11.3 1.9 19 4.0 1.9 56 11.4 1.9 20 4.0 2.2 57 11.5 2.2 21 4.0 0.7 58 11.7 2.6 22 4.0 2.0 59 11.8 2.2 23 4.2 1.8 60 11.9 2.1 24 4.6 2.1 61 12.5 2.0 25 5.1 2.5 62 12.8 0.9 26 5.1 2.6 63 13.8 1.1 27 5.5 2.0 64 14.1 3.4 28 5.9 2.0 65 14.2 1.2 29 5.9 1.4 66 14.6 2.1 30 6.0 2.0 67…
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2. 0, 7. 3. 4. 02 5. 41
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Year	2017	2018	2019	2020
Return	12.03%	-8.24%	1.34%	4.55%

19) Calculate the arithmetic average for the following returns: Year 2017 2018 2019 2020 Return 12.03% -8.24% 1.34% 4.55% Group of answer choices