Classified ads in the local paper offered several used cars of a particular model for sale. Listed in the accompanying table are the ages of the cars ancprices. Complete parts a through f below.E Click the icon to view the table.Data table....d) Computer software says that R =89.4%. What is the correlation between age and price?Age (yr) Price Advertised ($) e12,93510,96510,44510,99010,9956,9457,9808,7506,9955,9704,9903,2502,2503,9502,9002,9501,750The correlation, r, between Age and Price is .1(Round to three decimal places as needed.)e) Explain the meaning of R in this context. Choose the correct answer below.34O A. Advertised price accounts for 89.4% of the variation in age.O B. Advertised price accounts for 10.6% of the variation in age.6O C. Age accounts for 10.6% of the variation in advertised price.6.O D. Age accounts for 89.4% of the variation in advertised price.9.99.1111ry13nsPrintDoneourcesdetails.K

Solution Given that R2=89.4% d. R2= 89.4% = 89.4100 = 0.894R = 0.894 = 0.9455 r = 0.945…

Answered: panying table are the ages of 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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ZOOM + 2. Researchers studying acid rain recorded the pH level for a sample of 26 water sources in Pennsylvania. The sorted list of the data (some values have been obscured), the histogram of the data, and some other statistics are below. Histogram of pH levels Sort (pH) Frequency 10 10- 4.12 4.12 ?? ?? 4.29 ?? 4.31 4.39 4.39 4.40 4.41 4.45 4.52 4.56 4.57 4.60 ?? ?? 4.73 ?? 5.08 5.29 5.51 5.62 5.67 5.78 Summary statistics: Col n Min Max Q1 pH Q3 26 4.12 5.78 4.31 4.82 a) Find the median pH level. Carefully show your work. b) Considering your answer to part a) and the histogram, which would be the best choice for the sample mean pH level (4.68, 4.56, or 4.00 units)? Explain. c) Find the Range of the pH levels. d) Find the IQR of the pH levels 1 pH 3. The following numbers are a sample of ten of my golf scores from 2020. In golf the “units" are technically called "strokes". Find my mean score and the standard deviation of my scores. 98, 94, 88, 90, 86, 92, 86, 85, 84, 87
Please do not give solution in image format thanku
es The box plot shows the undergraduate in-state tuition per credit hour at four-year public colleges. 1,500 1,200 900 600 300 0 a. Estimate the median. Median
The age of adults attending the opening of a new restaurant is displayed in the histogram below. Use the histogram to answer the following questions. 5.0- 4.0- 3.0- 2.0- 1.0- 0- 20 30 40 50 60 70 80 90 100 Age The number of adults attending the opening night is The relative frequency for the adults age 60-70 is (express as a percent) Frequency
The data in the relative frequency bar graph below represents the number of stars earned by 140 performers in a talent competition. 35 30 25 20 15 10 1 Number of Stars How many performers earned exactly 3 stars? Be careful - compare the question wording to the scale on the y-axis of the graph. Notice it says "percentage of performers" Percentage of Performers (N = 140) N 寸

The accompanying table displays information about the number of births (in thousands) and the number of deaths (in thousands) for certain years. Report the death rate as a percentage of the birth rate, and comment on its trend over time. What is causing the trend? LOADING... Click the icon to view the data table. Report each death rate as a percentage of the birth rate. Year Births (thousands) Deaths (thousands) Percentage of deaths per births 2006 4275 2445 nothing% 2007 4320 2408 nothing% 2008 4241 2465 nothing% 2009 4140 2436 nothing% 2010 4002 2455 nothing% (Round to one decimal place as needed.)
What is the median of this set of data
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OBJECTIVE A To read a histogram 12 Customer Credit A total of 50 monthly credit account balances were recorded. Figure 32 is a histogram of these data. Use this histogram for Exercises 3 to 6. 10 3. How many account balances were between $1500 and $2000? 4. How many account balances were less than $2000? 300 500 1000 1500 2000 2500 Credit Account Balance ($) 5. What percent of the account balances were between $2000 and $2500? Figure 32 6. What percent of the account balances were greater than $1500? 250 Number of Accounts
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