Write the statement showing the relationship between the two variables.Answer 3 and 4 sub units thank you! 3.4.Monthly Saving (P)7,0006,0005,0004,0003.0002,0001,0000Teacher's Performance10o95TLTT0 1040,000Monthly Salary (P)20 304050Teacher's Age20,0006060,000

Correlation: Correlation a measure which indicates the “go-togetherness” of two data sets. It can be…

Answered: Write the statement showing the…

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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5 Quarterly data from 1960Q1 to 2009Q4, stored in the file consumptn.dat, were used to estimate the following relationship between growth in consumption of consumer durables in the U.S. (DURGWTH) and growth in personal disposable income (INCGWTH); DURGWTHt = 0.0103 - 0.163 DURGWTHt-1 + 0.7422 INCGWTHt + 0.3479 INCGWTH t-1 Given that DURGWTH 2009Q4 = 0.1, INCGWTH 2009Q4 = 0.9, INCGWTH 2010 Q1= 0.6, and INCGWTH 2010 Q2= 0.8, forecast DURGWTH for 2010Q1 and 2010Q2
2.) The manufacturer's suggested retail price (MSRP) for a particular car is $24,630, and it is expected to be worth $10,940 in 5 years. (a) Find a linear depreciation function for this car. (b) Estimate the value of the car 8 years from now. (c) At what rate is the car depreciating?
Suppose that a firm's sales were $3,750,000 five years ago and are $5,250,000 today. What was the geometric mean growth rate in sales over the past five years?
1) Suppose that a photocopy machine can reduce copies to 65 percent of their original size. By copying an already reduced copy, further reductions can be made. a) If a page is reduced to 65 percent, what percent enlargement is needed to return it to its original size? answer = ( ) percent b) Estimate the number of times in succession that a page must be copied to make the final copy less than 15 percent of the size of the original. number of times = ( ) 3) The fox polulation in a certain region has an annual growth rate of 6 percent per year. It is estimated that the population at the beginning of the year 2000 was 19400. (a) Find a function that models the population t years after the start of 2000. P(t)= ( ) (b) Use the function from part (a) to estimate the fox population at the beginning of the year 2015. P= (the answer should be an integer) 4) A glacier covered about 155 acres in 2002 and was shrinking at a rate of about 3% per year. (a) Write a formula for the…
The table below gives the annual sales (in millions of S) of a product.
Suppose we have the following returns for large-company stocks and Treasury bills over a six-year period: Year Large-Company US Treasury Bill 1 3.97 6.59 2 14.34 4.42 3 19.23 4.29 4 −14.45 7.32 5 −31.94 5.28 6 37.47 5.38 a. Calculate the arithmetic average returns for large-company stocks and T-bills over this time period. (Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.) b. Calculate the standard deviation of the returns for large-company stocks and T-bills over this time period. (Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.) c-1. Calculate the observed risk premium in each year for the large-company stocks versus the T-bills. What was the arithmetic average risk premium over this period? (A negative answer should be indicated by a minus sign. Do not round intermediate calculations and enter your answer…
An interest rate of 15% is used to evaluate a new system that has a first cost of $212,400, annual operating and maintenance costs of $41,200, annual savings of $94,600, a life of 6 years, and a salvage value of $32,500. After initial evaluation, the firm receives word from the vendor that the first cost is 5% higher than originally quoted. The percentage error in the system's present worth from this is closest to what value?
Suppose that in a family savings equation, for the years 1990, 1991, and 1992, we let kidsit denote the number of children in family i for year t. If the number of kids is constant over this three-year period for most familiesin the sample, what problems might this cause for estimating the effect that the number of kids has on savings?
Dr. Zhivàgo Diagnostics Corporation's income statement for 20X1 is as follows: Sales $ 2,880,000 Cost of goods sold 2,130,000 Gross profit $ 750,000 Selling and administrative expense 300,000 Operating profit $ 450,000 Interest expense 52,100 Income before taxes $ 397,900 Taxes (30%) 119,370 Income after taxes $ 278,530 Compute the profit margin for 20X1. Note: Input the profit margin as a percent rounded to 2 decimal places. Assume that in 20X2, sales increase by 10 percent and cost of goods sold increases by 20 percent. The firm is able to keep all other expenses the same. Assume a tax rate of 30 percent on income before taxes. What is income after taxes and the profit margin for 20X2? Note: Input the profit margin as a percent rounded to 2 decimal places.
An investment of $100 produces rate of return as follows In year 1: a gain of 10 percent In year 2: a loss of percent In year 3: a loss of 8 percent In year 4: a gain of 3 percent. Calculate the value of the investment at the end of the fourth year and calculate the mean annual rate of return.
If an asset declines in value from $5000 to $3500 over nine years, what is the mean annual growth rate in the asset's value over these nine years?
2) Describe the energy production change in 1995 and in 2005.

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Write the statement showing the relationship between the two variables. Answer 3 and 4 sub units thank you!