Problem 2.2 #12: How do you solve? Sometimes, data must be modified before a stem-and-leaf plot may be constructed. For example, the data in the accompanying table represent the five-year rate of return of 20 mutual funds and arereported to the hundredth decimal place. So, if we used the integer portion of the data as the stem and the decimals as the leaves, then the stems would be 8, 9, 10,..., 19; but the leaves would betwo digits (such as 94, 53, and so on). This is not acceptable since each leaf must be a single digit. To resolve this problem, we round the data to the nearest tenth. Complete parts (a) through (c)below.Click the icon to view the table of five-year rates of return.(a) Round the data to the nearest tenth.9.12 ន10.34 ~9.89 ~9.16 ~10.1211.82 ~11.128.188.0810.03 1011.7610.5511.61 ~10.66 ~9.4911.47Five-year rate of return of mutual funds10.12 9.12 8.08 11.61 9.5911.82 10.34 10.03 10.66 11.2211.12 9.89 11.76 9.49 11.728.18 9.16 10.55 11.47 8.45Print9.59 ~11.22 ~11.728.45Done...- X

we have to round all the data values in nearest tenth means in 1 decimal places as we know rule of…

Answered: Sometimes, data must be modified before…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Dave Fletcher, the general manager of North Carolina Engineering Corporation (NCEC), thinks that his firm’s engineer-ing services contracted to highway construction firms are directly related to the volume of highway construction business contractedwith companies in his geographic area. He wonders if this is reallyso, and if it is, can this information help him plan his operationsbetter by forecasting the quantity of his engineering servicesrequired by construction firms in each quarter of the year? Thefollowing table presents the sales of his services and total amountsof contracts for highway construction over the past eight quarters: a) Using this data, develop a regression equation for predictingthe level of demand of NCEC’s services. b) Determine the coefficient of correlation and the standard errorof the estimate.
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Bartman Industries' and Reynolds Inc.'s stock prices and dividends, along with the Winslow 5000 Index, are shown here for the period 2015-2020. The Winslow 5000 data are adjusted to include dividends. Data as given in the problem are shown below: Bartman Industries Reynolds Inc. Winslow 5000 Year Stock Price Dividend Holding period return Stock Price Dividend Holding period return Includes Divs. Holding period return 2020 $17.25 $1.15 24.75% $48.75 $3.00 -1.05% 11,663.98 32.76% 2019 14.75 1.06 -4.18% 52.30 2.90 13.23% 8,785.70 1.22% 2018 16.50 1.00 62.79% 48.75 2.75 -10.04% 8,679.98 34.91% 2017 10.75 0.95 2.90% 57.25 2.50 -0.42% 6,434.03 14.85% 2016 11.37 0.90 61.02% 60.00 2.25 11.66% 5,602.28 19.05% 2015 7.62 55.75 4,705.97 Assume the risk-free rate on long-term Treasury bonds is 6.04%. Assume also that the average annual return on the Winslow 5000 is 11% as the expected return on the market. Use the SML equation (i.e., CAPM) to…
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