Illustration 15.7 Following is the distribution of students according totheir height and weight.110-120120-130Weight/Height90-100100-1105250-55477455-606.101071260-656.365-7038Calculate (i) the two coefficients of regression and (ii) obtain the tworegression equations.- 11CS Scanned with CamScanner

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Answered: Illustration 15.7 Following is 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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QUESTION 2 Given that the slope of a regression line is 7.5 with x =9 and y 66 Find the value of x for y = 96 O 7 O 11 O 8 13 Click Save and Submit to save and submit. Click Save All Answers to save all answers. ASUS Viv
Complete parts (a) through (c) using the following data. Row 1 1 Row 2 94 1 82 2 82 2 70 C 5 91 5 72 6 75 Input the values of the slope and intercept for the regression line when Row 1 represents the x-values. ŷ=x+ (Round to three decimal places as needed.) 6 81 6 65 8 69 2 (a) Find the equation of the regression line for the given data, letting Row 1 represent the x-values and Row 2 the y-values. Sketch a scatter plot of the data and draw the regression line.
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The number of initial public offerings of stock issued in a 10-year period and the total proceeds these offerings (in millions) are shown in the table. The equation of the regression line is y = 43.977x+ 19,528.57. Complete parts a and b. 379 55 18,716 29,004 42,559 30,325 67,231 65,155 21,100 12,473 31,455 27,712 Issues, x 424 457 695 500 499 74 180 158 Proceeds. (a) Find the coefficient of determination and interpret the result. (Round three decimal places as needed.)
The table below shows the number of state-registered automatic weapons and the murder rate for several Northwestern states. I 11.5 8.2 6.8 3.4 13.6 11.3 9.7 6.8 6.4 2.7 2.9 2.2 0.6 6 6.1 4.6 Y = thousands of automatic weapons y = murders per 100,000 residents Determine the regression equation in y = ax + b form and write it below. (Round to 2 decimal places) A) How many murders per 100,000 residents can be expected in a state with 9.4 thousand automatic weapons? Answer Round to 3 decimal places. B) How many murders per 100,000 residents can be expected in a state with 3 thousand automatic weapons? Answer= Round to 3 decimal places. Hint: Textbook Pages C Help -
height 60 67 62 70 66weight 119 143 131 155 136 3) Now let's assume you wanted to predict weights from heights. In other words, now let's use the same data from problem (1) and do a regression instead. (a) Calculate b0 and b1.(b) Carefully draw your least square regression line on the plot you made in 1(a). (Don't just “sketch”, be a little careful).
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Needed to be solved part 36 and 37 correclty in 30 minutes and get the thumbs up. Please show neat and clean work
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P QUESTION 2 The value V of a piece of equipment between 1990 and 1995 is given in the table. Let t represent the year with t = 0 corresponding to 1990. Find the regression equation for the data in the table: Time, t 0 Value, V ($) 500 O y = 514.770(0.8x O y = -50x + 500 Oy=-x2 - 50x + 500 O y = 50x + 500 QUESTION 3 1 2 3 4 5 450 400 350 400 350 300 250 The table gives the average heights of children for ages 1-10, where x = the age (in years) and y = the height (in cm). 3 4 5 6 7 8 9 10 1 Age (years) Click Save and Submit to save and submit. Click Save All Answers to save all answers. 2 E; M 64 Save All Answer

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Illustration 15.7 Following is the their height and weight. 110-120 120-130 Weight/Height 90-100 100-110 5 2 50-55 4 7 7 4 55-60 6 10 10 7 12 60-65 3 65-70 3 8 Calculate (i) the two coefficients of regression and (ii) obtain the two regression equations. 11 anned with CamScanner