i. b1ii. boiii. ô? Estimate the following specification, ŷ=b,+b,*x, given the following dataXy3.6.139151227

Answered: Image /qna-images/answer/1ba1cbec-e1c2-45c9-8922-11f5d5af47f5.jpg

Answered: i. bi ii. bo

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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Fill the chi square for Cross 1 and Cross 2 from the following data in the attached image: Cross 1: Phenotypes Ratio Observed Expected (O-E)2/E Totals X2 = Cross 2: Phenotypes Ratio Observed Expected (O-E)2/E Totals X2 =
The following equations were estimated using the data in BWGHT: log(bwght) = 4.66 - 0044 cigs + .0093 log(faminc) + .016 parity (.0059) (.22) (.0009) (.006) + .027 male + .055 white (.010) (.013) 1,388, R = .0472 and log(bwght) 4.65 – .0052 cigs + .0110 log(faminc) + .017 parity (.006) (.38) (.0010) (.0085) + .034 male + .045 white – .0030 motheduc + .0032 fatheduc (.011) (.015) (.0030) (.0026) n = 1,191, R2 = .0493. %3D
COMPUTE. THE AREA LEVEL SECTION TWO LEVEL SECTION 10 Date h S=1.55 10 51 4 to ५ 5=1.55
2.1 Add the necessary statements to compute 2.2 Using the following data, create a SAS data set called CLINIC. In the DATA step, include a statement to compute average blood pressure (call it AVE BP) computed as the dias- tolic blood pressure (DBP) plus one-third the difference of the systolic blood pressure (SBP) and the DBP. (For those interested in this, since the heart spends more time in dias- tole (relaxed state) than it does in systole (when it contracts), a weighted average is used to represent the "average" blood pressure-one-third of the SBP and two-thirds of the DBP.) Use PROC MEANS to compute the number of nonmissing values, the mean, the standard deviation, the 95% CI on the mean, and the median value for SBP, DBP, and AVE_BP. The data layout: Variable Description Starting Column Length Туре ID Subject ID 3 Char GENDER Gender RACE Race of subject HR Heart rate SBP Systolic blood pressure DBP Diastolic blood pressure 12 N_PROC Number of procedures 15 -456925 1 Char Char 3…
Calculate the following
If the coefficient of determination between two independent variables is 0.33, what is the VIF? VIF= (Round to three decimal places as needed.)
Complete the following worksheet and then use it to calculate the coefficient of determination. (ŷi - y)² 2.506 641.558 491.199 90.212 904.686 203.006 1,105.230 2,107.636 2,408.356 40.094 i 1 2 3 X₁ yi ŷ 15 160 176.583 13.5 220 200.329 16.5 140 152.837 14.5 190 184.498 17 120 144.922 16 160 160.752 13 200 208.245 18 150 129.091 9 12 220 224.075 10 15.5 190 168.668 Total 4 5 6 7 8 The coefficient of determination (r²) is According to the regression model, which of the following is the best estimate together with the 95 percent prediction interval of paint sales (in thousands of gallons) in a sales region where the selling price is $12.50? 425.9152(17.520) 216.165 2(3.102) 216.1652(17.520) 425.915 2(3.102) What is the price elasticity of demand at a selling price of $12.50? -0.58 (y₁ - y)² 225.000 2,025.000 1,225.000 225.000 3,025.000 225.000 625.000 625.000 2,025.000 225.000 -0.06 -0.92
Reactivate 04. 3. The following data are derived from the Monthly Vital Statistics Report issued by the National Center for Health Statistics in October 1999. Suppose that infants are classified as low birthweight if they have a birthweight less than 2500 g and as normal birthweight if they have a birthweight greater than or equal to 2500 g. Suppose that infants are also classified by length of gestation in the following five categories: less than 28 weeks, 28-31 weeks, 32-35 weeks, 36 weeks, and more than 36 weeks. Assume the probabilities of the different periods of gestation are as given in the accompanying table. Length of gestation Less than 28 weeks Probability 0.007 28-31 weeks 0.012 32-35 weeks 0.050 36 weeks 0.038 More than 36 weeks 0.893 Table 3. Distribution of length of gestation Also, assume that the probability of low birthweight is 0.949 given a gestation of less than 28 weeks, 0.702 given a gestation of 28 - 31 weeks, 0.434 given a gestation of 32 - 35 weeks, 0.201…
An article published by the American Meteorological Society, gives a rating system used to classify Nor'easter storms that frequently hit New England which often cause havoc near the ocean. A severe storm has an average peak wave height of μ=16.4μ feet for waves near the shore. Suppose that a Nor'easter is in progress at the severe storm class rating. Peak wave heights are usually measured from land off piers. Suppose that a reading of 32 waves showed an average wave height of x¯=14.3 feet. Previous reports of severe storms indicate that σ=3.5 feet. Does this information suggest that the storm is decreasing below the severe rating? Use α=0.01 to test the claim.What is the level of significance? State the null and alternate hypotheses. H0:H0:? p σ μ χ Select an answer < = ≠ > H1:H1:? μ p χ σ Select an answer ≠ > = <
Please do 3a with handwritten working out. Please do 3b, 3c and 3d with R code
The following scatterplot shows the mean annual carbon dioxide (CO,) in parts (CO2) per million (ppm) measured at the top of a mountain and the mean annual air temperature over both land and sea across the globe, in degrees Celsius (C). Complete parts a through h on the right. f) View the accompanying scatterplot of the residuals vs. CO2. Does the scatterplot of the residuals vs. CO, show evidence of the violation of any assumptions behind the regression? 16.800 A. Yes, the outlier condition is violated. 16.725 O B. Yes, the linearity and equal variance assumptions are violated. 16.650 C. Yes, the equal variance assumption is violated. 16.575 O D. No, all assumptioris are okay. 16.500 O E. Yes, all the assumptions are violated. 325.0 337.5 350.0 362.5 CO2 (ppm) OF Yes, the linearity assumption is violated. his vear, What mean temperature does
Complete the following worksheet and then use it to calculate the coefficient of determination. (3,-3) yi 50 20 19.248 8.495 13.444 50 21 19.248 8.495 21.778 55 19 18.303 3.880 7.111 4. 55 19.5 18.303 3.880 10.028 60 19.5 17.358 1.050 10.028 6. 60 19 17.358 1.050 7.111 7 65 15.5 16.413 0.006 0.694 8 65 15 16.413 0.006 1.778 70 14.5 15.468 0.749 3.361 10 70 15.5 15.468 0.749 0.694 11 80 13 13.578 7.592 11.111 12 80 14 13.578 7.592 5.444 13 90 11.5 11.688 21.579 23.361 14 90 11 11.688 21.579 28.444 15 40 17 21.138 23.085 0.444 Total The coefficient of determination (r ) is What is the price elasticity of demand at a price of 50 cents? -0.02 0.03 O -0.50 O -0.46

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