!Required information[The following information applies to the questions displayed below.]Felix & Company reports the following information.Total CostsPeriod1$ 2,51523,23533,955Y=2345679610Units Produced04008001,2001,6002,0002,4002,8003,2003,6004,6755,3956,1156,8357,5558,2758,995Use spreadsheet software to use ordinary least-squares regression to estimate the costequation, including fixed and variable cost amounts.X

Enter the data set in Excel as follows:The regression equation for estimating the Total cost (i.e.,…

Answered: Required information [The following…

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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Quarterly Glass Container Demand Year 1990 1991 1992 First Qtr. 17,446. 17,748. 17,595. Second Qtr. 17,785. 19,360. 18,338. Third Qtr. 18,971. Fourth Qtr. 19140. 17,802. 19,413. 18,315. 18,083. Question: Quarterly sales (in thousands of units) of a product over the last two years have been 26, 29, 30, 27, 28, 32, 33, and 30. Plot the data and forecast for the next period using Winter's Seasonal Model. Now, assume sales for the ninth quarter turned out to be 32. Update your parameter estimates and forecast sales for period 10.
A certain city's power company charges their residents for electricity usage on a daily basis. There is a basic charge of 11.57 cents. For each day the first 10 kWh cost 4.81 cents per kWh and any additional kWhs are 9.69 per kWh. (A kWh, or kilowatt-hour, is a unit of energy.) (a) Complete the following table using the information provided above. kWhkWh 0 5 10 15 20 cost (dollars)cost (dollars) kWhkWh 25 30 35 40 cost (dollars)cost (dollars) (b) We can define a piecewise function f(x)f(x) where xx is the kWh used in a day and f(x)f(x) is the cost, in dollars. This function would have the form f(x)={g(x)h(x)ififx∈Ax∈Bf(x)={g(x)ifx∈Ah(x)ifx∈B What functions g(x)g(x) and h(x)h(x) make up the piecewise function f(x)f(x)? g(x)=g(x)= for A = h(x)=h(x)= for B = Hint: A and B are intervals. If an interval uses ±∞±∞ write inf or -inf . (c) Using the above function, what is the cost of 26 kWh? dollars. (d) For 3 dollars, what is the maximum kWh usage for one…
Jennifer's investment account balance grew from $400 to $432.76 in 5 months. What annual rate of simple interest does her investment pay? O 18.4% 15% O 21.3% esc 19.7% ! 1 NO @ 2 #3 $ 4 % 5 T 6 Y & 7 U * 8 ( ( 9 O ) O P ساسا + 11 { [ = ✔ } 1
1.) Below are prices per gallon of regular gasoline at various Shell and Mobil gas stations. Shell: $3.34 $3.56 $3.90 $4.01 $4.12 $3.36 $3.59 Mobil: $23.24 $3.25 $3.99 $3.99 $4.33 $2.99 $3.23 $2.90 $3.56 $3.12 At a= 0.01, test the claim that these two gas chains have the same average gas prices. a.) Use a hypothesis test b.) Use an appropriate confidence interval 1a.) H0: ______________________ H1: ___________________ t= ________________ P-value __________________ Conclusion: _________________________________ b.) t a/2 = ____________________ CI: ____________________________ Conclusion: ___________________________________________
7. Calculate the weighted price index from the following data : Quantity required Price during 1995 Materia! Unit 1994 i required 2$ $ 8.0 Cement Timber Steel sheet: Bricks 500 lb. 2,000 c.ft. 50 cwt. 5.0 9.5 100 lb. c.ft. 14.2 34.0 12.0 cwt. 42.0 per '000 20,000 24.0
In 1997 Fuller and coworkers at Texas A&M University estimated the operating costs of cotton gin plants of various sizes. The operating costs of the next to the smallest plant is shown in the following table. x 2000 4000 6000 8000 10000 12000 y 163,200 230,480 301,500 376,160 454,400 536,400 Here x is the annual number of bales produced, and y is the dollar total cost. (Use 4 decimal places in your answer.)A. Determine the best fitting line using least squares. Also determine the square of the correlation coefficient.The best fitting line is C(x) = .The square of the correlation coefficient is r2 = .B. The study noted that revenue was $63.25 per bale. At what level of production will this plant break even?The revenue equation is R(x) = The profit equation is P(x) = The production will break even when bales are produced.C. What are the profits or losses when production is 3000 bales? 4000 bales? (Round to the nearest cent.)When…
Q 4: Answer the questions below using the following Table 1: MC ($) 7,259 6,548 5,838 5,125 4,417 3,706 MC ($) 6,541 6,821 7,102 7,383 7,664 7,945 AC ($) Total cost ($) 105,311,250 202,070,000 Students Undergraduate 13,750 27,500 41,250 55,000 68,750 82,500 Students 7,659 7,348 7,038 6,727 6,417 6,106 369,985,000 441,168,750 503,745,000 Total cost ($) 33,385,000 51,697,000 AC ($) 12,140 9,399 8,672 8,365 8,249 8,228 Graduate 2,750 5,500 8,250 11,000 13,750 16,500 92,015,000 113,423,750 135,762,000 What are the main differences between the universities' cost structures for undergraduate and graduates? Can you explain the differences that you have identified in 4 (a)? (a) (b) (c) The new Vice Chancellor has asked you for advice on whether she should consolidate or expand the programs. Provide your advice using the information in the table. (d) What is the effect of the introduction of a license fee of 9 million dollars by the government for undergraduate programs being offered by…
The table to the right gives the average sales tax rate (state plus local) in six east coast states and six western states. Complete parts (a) through (e) below. East coast states West coast states A 6.50% U 8.50% B 6.25% V 1.69% C 5.00% W 0.00% D 0.00% X 8.89% E 9.49% Y 8.50% F 8.00% Z 6.95% a. Find the mean, median, and range for each of the two data sets. The mean for the east coast states is . (Type an integer or decimal rounded to three decimal places as needed.)

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