Let ŷ represent the profit (or loss) for a certain company I years after 1965. Based on the data shownbelow, a statistician calculates a linear model ŷ = 1.93z + 9.40.Hม417.34520620.36722.12824.48926.841028.21131.361232.62Use the model to estimate the profit in 1971. Round to the nearest cent.The estimated profit in 1971 is $

Given , represent the profit (or loss) for a certain company x years after 1965.And also given the…

Answered: Let ŷ represent the profit (or loss)…

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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Interpret the intercept and the slope coefficient of the estimated linear trend line equation and comment on the fitness of the model.
Let Y represent the profit (or loss) for a certain company X years after 1980. Based on the data shown below, a statistician calculates a linear model Y =- 0.08X + 21.70. %3D y 4 21.9 20.2 6. 22 7. 20.8 8 19.9 9. 21.9 10 22.1 11 19.7 Use the model to estimate the profit in 1989 y 3D
in regression analysis in population is associated with a decrease in crime rate the relationship has SSR of 250 and SST of 440. That percent of the crime rate is determined by the size of population? a. 76% b. 24.89% c. 56.82& d. 75.38% e. 43.18%
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The table shows the percents x and numbers y (in millions) of women in the work force for selected years. T 1970 1975 1980 1985 1990 1995 2000 2005 Percent, x 43.3 46.3 51.5 54.5 57.5 58.9 59.9 59.3 Number, y 31.5 37.5 45.5 51.1 56.8 60.9 66.3 69.3 Year (a) Use the regression capabilities of a graphing utility to find the least squares regression line for the data. (Round your coefficients to two decimal places) YM (b) According to this model, approximately how many women enter the labor force for each one-point increase in the percent of women in the labor force? (Round your answer to two decimal places.) million women
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Here is data with y as the response variable. a. Make a scatter plot of this data. Which point is an outlier? Enter as an ordered pair, e.g., (x,y). (x, y) b. Find the regression equation for the data set without the outlier. Enter the equation of the form mx + b rounded three decimal places. y wo X 48.4 77.3 88 67.1 108.3 75.9 64.8 -161.3 61.2 67.9 ŷw y 45.7 40.3 27.3 54.5 -63.2 36.3 73.2 96.5 82.2 119.8 = -- c. Find the regression equation for the data set with the outlier. Enter the equation of the form mx + b rounded to three decimal places.

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