Fit a straight line to the following data and estimate the production in the year 1957. YEAR: Production in the 1971 08 1951 1961 1981 1991 10 12 10 13 Thousand tons: Hint: take the deviations of X = x-x and Y = y-ỹ at Y = a + bX

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A: Consider the given information.

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A: x y x2 y2 xy 76 14.2 5776 201.64 1079.2 79 19.6 6241 384.16…

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A: The table shows the hours spent studying and the average grade on course quizzes.

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A: 3.4,21.2,13.1,6.7,23.7,7.9,16,29.7,5.2

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A: Given: n = 9 Formula Used: Correlation coefficient r = n∑XY-∑X∑Yn∑X2-∑X2n∑Y2-∑Y2 Test-statistic t =…

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A: Step 1:calculate the table with the above values Step 2: Step 3:if your satisfied with my answer…

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Q: Q. 11 (a) Fit a straight line to the following data : Year : 1981 1982 1983| 1984 | 1985 | 1986 |…

A: Answer: For the given data,

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Q: From the data given below, find out the value of Y when X = 35 10 20 30 40 Y 50 60 70 90

A: Given data is  X 10 20 30 40 Y 50 60 70 90

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Q: Consider the following ordered data. 10 13 13 14 15 15 16 17 10 (a) Find the interquartile range

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A: Solution: From the given information, a point is below the line of best fit.

Q: Illustration 15.1. Given the bivariate data: 1 1 7 3 X:. 1 5 1. 3 2 Y: 1 1 5 (a) Fit a regression…

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Q: b. 9. What is the range of your data set if you have remembered only cell width of 0.01 and 5?…

A: As per our guidelines I can solve only first question. Kindly post the remaining questions again and…

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Q: Q3. Find the Coeffient of variation (C.Var) for the given data 0-10 10-20 20 30 30-40 12 8 6 class:…

A: ClassFrequency (f)Mid value…

Q: • a. Find the linear equation for the following data ● b. and estimate y, if x = 2.2 (by…

A: We have to solve the given problem.

Q: We want to predict the selling price of a house in Newburg Park, Florida, based on the distance the…

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Q: Q1 Q2 Q3 100 73 40 Q4 30 Q1 110 Q2 Q3 Q4 78 45 34 Q1 114 Q2 80

A: Q1 100 Q2 73 Q3 40 Q4 30 Q1 110 Q2 78 Q3 45 Q4 34 Q1 114 Q2 80 Q3 50 Q4 38

Q: c. What percentage of the variation in final scores is explained by the linear relationship between…

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Q: Consider the following data relating hours spent studying (X) and average grade on course quizzes…

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A: Given Data : X = Weight Y = Miles 2685 23 2935 24.2 3330 21.4 3700 19.8 4250 11.5…

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A: By using R-software: > x=c(5,6,10,2,5,15,13,4);x[1]  5  6 10  2  5 15 13  4> n=length(x);n[1]…

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Q: We want to predict the selling price of a house in Newburg Park, Florida, based on the distance the…

A: Given data is x y xy 7.7 290.8 2239.16 18.5 215.0 3977.5 6.3 304.4 1917.72 11.9 269.9…