< >mAAAnswerInstructio... B The follo...learn.hawkeslearning.comG Determin...Start PageHours UnsupervisedOverall GradesÛ + O8 Values (C...The following table gives the average number of hours 7 junior high students were left unsupervised each day arcorresponding overall grade averages.X 12.1 Scatt...1 2 2.5 3 4 5 5.596 92 84 80 72 64 60Step 3 of 3: Calculate the coefficient of determination, r². Round your answer to three decimal places.‒‒‒Tables

Hours Unsupervised(x) Overall grades(y) 1 96 2 92 2.5 84 3 80 4 72 5 64 5.5 60

Answered: The following table gives the average…

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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The following table gives the average number of hours 7 junior high students were left unsupervised each day and their corresponding overall grade averages. Hours Unsupervised 0 0.5 1 Overall Grades 96 88 84 Calculate the coefficient of determination, R2. Round your answer to three decimal places. 1.5 2.5 3.5 5.5 76 72 68 64 Copy
Rail ridership during the summer months in the North-East is believed to beclosely related to the number of tourists visiting the region. The following tableshows the data on the number of tourists and North-East ridership for the past16 years. (Answer in Excel showing formulas for answers)Year Tourists( in millions) Rail Ridership (in millions) 2000 9 2.32001 4 1.9 2002 7 1.7 2003 5 1.8 2004 12 2.8 2005 13 2.9 2006 14 2.42007 20 4.8 2008 7 1.3 2009 5 1.12010…
A chemical engineer studied the relationship between production quality and cost, the results as shown in the table below: Use X – test to find out whether there is an association between production quality and cost ? production quality cost 1 2 4 1 60 25 15 10 66 32 13 9 3 120 40 25 15
The following chart shows the percentage of the U.S. discretionary budget allocated to education from 2003 to 2009 (t = 3 represents the start of 2003). A bar graph titled "Percentage of U.S. budget on education" has a horizontal t-axis labeled "Year since 2000" and a vertical axis labeled "Percentage". The bar graph has 7 bars. Each bar is associated with a label and an approximate value as listed below. 3: 6.8% 4: 7% 5: 7% 6: 6.9% 7: 6.5% 8: 6.3% 9: 6.2% The following table shows the percentage of the U.S. discretionary budget allocated to education in 2003, 2005, and 2009 (t = 3 represents the start of 2003). Year t 3 5 9 Percentage 6.8 7 6.2 Find a quadratic model for these three years. (Round your coefficients to two decimal places.) p(t) = Use your model to estimate the percentage of the U.S. discretionary budget allocated to education in 2007. (Round your answer to two decimal places.)
The table below shows the number of state-registered automatic weapons and the murder rate for several Northwestern states. 11.6 8.5 7. 3.5 2.6 2.3 2.4 0.4 13.8 11 10 6.3 6.1 5.9 4.1 I = thousands of automatic weapons y = murders per 100,000 residents This data can be modeled by the equation y = 0.85T + 3.97. Use this equation to answer the following; A) How many murders per 100,000 residents can be expected in a state with 1.2 thousand automatic weapons? Answer = Round to 3 decimal places. B) How many murders per 100,000 residents can be expected in a state with 2.2 thousand automatic weapons? Answer = Round to 3 decimal places. Question Help: O Message instructor Submit Question to search 1O
squares from the data given below and estimate the sales for 1983 : Calculate trend values by the method of least Year : 1976 1977 1978 1979 1980 Sales of Co. A ( $ lakhs) 70 74 80 86 90 :
The ages (in years) and heights (in inches) of all pitchers for a baseball team are listed. Find the coefficient of variation for each of the two data sets. Then compare the results. heights Ages 73 28 76 22 74 23 72 24 77 24 78 27 76 31 79 28 73 27 78 35 74 33 79 36
Find the 5 number summary for the data shown 25 44 45 46 56 57 62 86 90 93 95 96 99 5 number summary:, , , , Use the Locator/Percentile method described in your book, not your calculator.
The following table shows the number of hours of safety training at a large industrial plant for each of 6 divisions within the plant and the number of work hours lost due to accidents. X: Hours of safety training 10 19 30 50 65 80 Y: Work hours lost 80 65 68 35 10 12 a. Determine the Pearson's Coefficient of Correlation for the given data. Answer rounded to two decimal places b. Which of the following is an apporpriate comment for the correlation between X and Y? There is a strong positive correlation between X and Y There is a moderate positive correlation between X and Y There is a weak positive correlation between X and Y There is a strong negative correlation between X and Y There is a moderate negative correlation between X and Y
The ages (in years) and heights (in inches) of all pitchers for a baseball team are listed. Find the coefficient of variation for each of the two data sets. Then compare the results. Heights Ages 74 28 73 26 80 25 71 24 75 29 74 26 74 27 75 30 72 29 73 37 70 36 78 34

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