Please review Section 12.2. An agent for a residential real estate company in a suburb located outside a major city has the business objectiveof developing more accurate estimates of the monthly rental cost for apartments. Toward the goal, the agent would like to use the size of anapartment, as defined by square footage to predict the monthly rental cost. The agent selects a sample of 8 one-bedroom apartments andthe data are shown.Size (Square Feet) Monthly Rent ($)8751550825850135095012001600190092518007001300180010501300Construct a scatterplot. Size is the x value and Monthly Rent is the y value. You can hand-draw, or use technology...label appropriately.Use the least-squares method to determine the regression coefficients. If you use technology, include the documents or screen shots:bo =(Round to one decimal place as needed.)(Round to one decimal place as needed.)b1

Answered: Image /qna-images/answer/799f2798-9611-4a3e-81ff-c8f2327b5a45.jpg

Answered: Please review Section 12.2. An agent…

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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Answer this question in R. Show as much of your work as possible.
Actual lengths of stay at a hospital's emergency department in 2009 are shown in the following table (rounded to the nearest hour). Length of stay is the total of wait and service times. Some longer stays are also approximated as 15 hours in this table. Hours Count Percent 1 17 3.40 2 53 10.60 88 17.60 101 20.20 84 16.80 64 12.80 44 8.80 16 3.20 9 12 2.40 10 14 2.80 15 7 1.40 Determine the cumulative distribution function for the random variable. x x < 1 1 < x < 2 F(x) i i 3 < x < 4 4 < x < 5 i 6
3. Consider the following sets of data from Dataset II. For the dataset, determine what type of chart or graph would best represent those data (A-D). Explain your reasoning in detail. Pie chart Line graph Bar graph Scatter plot Dataset II: Carolyn collected data on rates of recycling participation over the last eight years to determine whether her city’s education program has been effective. In 2006, before the education program was implemented, 9% of the city’s residents recycled. Her data follows: Year Participation Rate 2006 9% 2007 13% 2008 17% 2009 22% 2010 28% 2011 31% 2012 32% 2013 30% 2014 31% What type of figure would best represent these data in Dataset II? ________ Reasoning:
a. Complete the rate table. Number of Peppers 1 15 20 100 4 10 Cost 2.25 b. How many peppers could you buy for $20? c. Describe what the graph of this data would look like and name a point on the graph.
The amount of time adults spend watching television is closely monitored by firms because this helps to determine advertising pricing for commercials. Complete parts (a) through (d). C (a) Do you think the variable "weekly time spent watching television" would be normally distributed? If not, what shape would you expect the variable to have? A. The variable "weekly time spent watching television" is likely skewed right, not normally distributed. OB. The variable "weekly time spent watching television" is likely symmetric, but not normally distributed. O C. The variable "weekly time spent watching television" is likely skewed left, not normally distributed. O D. The variable "weekly time spent watching television" is likely normally distributed. O E. The variable "weekly time spent watching television" likely uniform, not normally distributed. (b) According to a certain survey, adults spend 2.45 hours per day watching television on a weekday. Assume that the standard deviation for "time…
please use the information on the first page to answer number 17
d. Estimate the blood pressure of the student if his stress test score is 80, 60, and 85.
After each description of a process, indicate the level of measurement (nominal, ordinal, interval, or ratio) implied by the statement. Rating members of Congress as very liberal, slightly liberal, moderate, slightly conservative, or very conservative. Asking members of Congress whether the amount of money they have received from PACs is more than $100,000, between $50,000 and $100,000, or less than $50,000. Asking members of Congress how much campaign money they have received from political action committees (PACs). Asking members of Congress the source of most of their PAC contributions: labor unions, corporate management, medical associations, or civil rights groups. Asking members of Congress which of the following they feel is the most important problem facing the country today: the budget deficit, the threat of nuclear war, crime, poverty, or teen pregnancy.
Use a stem-and-leaf plot to display the data, which represent the thickness (in centimeters) of ice measured at 20 different locations on a frozen lake. Describe any patterns. 5.8 6.3 6.9 7.2 5.1 4.9 4.6 5.8 7.0 6.8 8.2 7.5 7.2 5.8 7.2 8.0 7.4 6.9 5.9 4.9 Determine the leaves in the stem-and-leaf plot below. Key: 3|3 = 3.3 Ice Thickness 6| 8 What best describes the data? A. Most thicknesses are greater than 7 centimeters. B. Most thicknesses are 6 centimeters. C. Most thicknesses are between 5 and 8 centimeters. D. Most thicknesses are less than 5 centimeters.
The top 14 speeds, in miles per hour, for professional drag racing over the past two decades are listed below. Find the median speed. 181.1 202.2 190.1 201.4 201.2 193.2 201.2 194.5 A. 196.1 B. 196.7 C. 201.2 D. 195.8 191.3 201.4 199.2 192.2 196.0 196.2
A real estate agent has developed a linear model for the price of a house, P, in dollars in terms of the area, A, in square feet for the homes in a certain neighborhood. The data set had areas ranging from 1,000 square feet to 4,500 square feet. Would predicting the prices of a home that is 4,900 square feet be interpolation or extrapolation? Explain. Using the model to predict the price of a 4,900 square foot home is extrapolation because 4,900 square feet is outside the range of the areas in the data. Using the model to predict the price of a 4,900 square foot home is interpolation because 4,900 square feet is inside the range of the areas in the data. Using the model to predict the price of a 4,900 square foot home is extrapolation because 4,900 square feet is inside the range of the areas in the data. Using the model to predict the price of a 4,900 square foot home is interpolation because 4,900 square feet is outside the range of the areas in the data.
The Big Mac index is a way of measuring Purchasing Power Parity (PPP) between different countries. By diverting the average national Big Mac prices to U.S. dollars, the same goods can be informally compared. The Big Mac can also be a good indicator for the individual purchasing power of an economy since he exists worldwide in standard size, composition and quality. Price # of Countries Rel. f. Cum. f 1.50-1.99 2 2.00-2.49 4 2.50-2.99 7 3.00-3.49 9 3.50-3.99 7 4.00-4.49 8 4.50-4.99 9 5.00-5.49 7 5.50-5.99 1 6.00-6.49 2 6.50-6.99 1

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