**Transcription for Educational Website**---**Understanding Simple Linear Regression Analysis**The following information provides a computer output for fitting a simple linear model. Our goal is to determine if the slope in the population significantly differs from zero, using the p-value at a 5% significance level to conclude the model's effectiveness.**Regression Equation:**\[ Y = 89.5 - 7.2X \]**Coefficients Table:**| Predictor | Coef | SE Coef | T | P ||-----------|----------|---------|-------|------|| Constant | 89.537 | 4.543 | 19.71 | 0.000|| X | -7.2041 | 0.8406 | -8.57 | 0.000|**Instructions:**1. **Sample Slope:** Enter the value of the coefficient of X from the table above.2. **p-value:** Enter the p-value associated with the slope of X.**Question:**- **Is the model effective?** Assess the effectiveness by analyzing the p-value and the significance level.*Note: Use the drop-down menu to provide your response regarding the effectiveness of the model.*---

In multiple linear regression, there will be more than one independent variable. In simple linear…

Answered: Computer output for fitting a simple…

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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Computer output for fitting a simple linear model is given below. State the value of the sample slope for this model and give the null and alternative hypotheses for testing if the slope in the population is different from zero. Identify the p-value and use it (and a 5% significance level) to make a clear conclusion about the effectiveness of the model. The regression equation is Y = 80.8 – 0.0149X. Predictor Coef SE Coef T P. Constant 80.82 11.60 6.97 0.000 -0.01489 0.01241 -1.20 0.245 Sample slope: i p-value: Does X appear to be an effective predictor of the response variable Y? Assistance Used e Textbook and Media Assistance Used Hint Attempts: 0 of 3 used Submit Answer Save for Later 59 F Cloudy
Find the regression equation, lotting the diameler be the predictor (x) variable. Find the best predicted circumference of a marble with a diameter of 1.3 cm. How does the result compare to the achual circumference of 4.1 cm? Use a significance level of 0.05 Baseball Basketball Golf Soccer Tennis Ping Pong Volleyball 7.3 Diameter Circumference 23.5 4.4 21.9 7.1 3.9 21.4 22.9 73.8 13.8 68.8 22.3 12.3 67.2 Click the icon to view the critical values of the Pearson correlation coefficient r The regression equation is y = x (Round to five decimal places as needed.)
Find the regression equation, letting overhead width be the predictor (x) variable. Find the best predicted weight of a seal if the overhead width measured from a photograph is 2.1 cm. Can the prediction be correct? What is wrong with predicting the weight in this case? Use a significance level of 0.05. Overhead Width (cm) 8.1 7.6 8.9 7.7 8.6 9.8 Weight (kg) 156 166 213 138 197 251 Click the icon to view the critical values of the Pearson correlation coefficient r. The regression equation is y = (Round to one decimal place as needed.)
Computer output for fitting a simple linear model is given below. State the value of the sample slope for the given model. In testing if the slope in the population is different from zero, identify the p-value and use it (and a 5% significance level) to make a clear conclusion about the effectiveness of the model.The regression equation is Y⁢=93.7-8.46X. Predictor Coef SE Coef T P Constant 93.692 4.754 19.71 0.000 X -8.4592 0.9871 -8.57 0.000 Sample slope: p-value:
Would you please assist in answering this question with working out?Thank you. Q. Using a sample of recent university graduates, you estimate a simple linear regression using initial annual salary as the dependent variable and the graduate's weighted average mark (WAM) as the explanatory variable. If the regression model has an estimated intercept of 2200 and an estimated slope coefficient of 550, what is the predicted starting salary of a student with a WAM of 82?
Computer output for fitting a simple linear model is given below. State the value of the sample slope for this model and give the null and alternative hypotheses for testing if the slope in the population is different from zero. Identify the p-value and use it (and a 5% significance level) to make a clear conclusion about the effectiveness of the model.The regression equation is Y⁢=81.1-0.0116X. Predictor Coef SE Coef T P Constant 81.14 11.64 6.97 0.000 X -0.01158 0.00965 -1.20 0.245 Sample slope: Enter your answer; sample slopep-value: Enter your answer; p-valueDoes X appear to be an effective predictor of the response variable Y?Choose the answer from the menu; Is the model effective? YesNo
2
Find the equation of the regression line for the given data. Then construct a scatter plot of the data and draw the regression line. (The pair of variables have a significant correlation.) Then use the regression equation to predict the valuo of v for each of the given x-values, if meaningful. The table below shows the heights (in feet) and the number of stories of six notable buildings in a city. Height, x Stories, y 762 621 508 480 (b) x = 641 feet (d) x = 726 feet 515 491 (a) x= 498 feet (c) x = 810 feet 51 46 44 42 38 37 Find the regression equation. ý=x+ (D (Round the slope to three decimal places as needed. Round the y-intercept to two decimal places as needed.) Choose the correct graph below. OA. OB O B. Oc. OD. 60- 604 60+ 800 B00 G 800 Height (feet) 800 Height (feet) 800 Height (feet) Height (feet) (a) Predict the value of y for x = 498. Choose the correct answer below. OA 40 ОВ. 50 O C. 47 O D. not meaningful (b) Predict the value of y for x 641. Choose the correct answer…
Computer output for fitting a simple linear model is given below. State the value of the sample slope for the given model. In testing if the slope in the population is different from zero, identify the p-value and use it (and a 5% significance level) to make a clear conclusion about the effectiveness of the model.The regression equation is Y⁢=89.3-8.63X. Predictor Coef SE Coef T P Constant 89.268 4.529 19.71 0.000 X -8.6344 1.0075 -8.57 0.000 Sample slope: Enter your answer; sample slopep-value: Enter your answer; p-valueIs the model effective?Choose the answer from the menu; Is the model effective?
Computer output for fitting a simple linear model is given below. State the value of the sample slope for the given model. In testing if the slope in the population is different from zero, identify the p-value and use it (and a 5% significance level) to make a clear conclusion about the effectiveness of the model.The regression equation is Y=86.1-8.35X. Predictor Coef SE Coef T P Constant 86.075 4.367 19.71 0.000 X -8.3536 0.9747 -8.57 0.000
please answer for what is the p value
Use the given data to find the best predicted value of the response variable.Nine pairs of data yield r = 0.867 and the regression equation y=19.4+0.03x Also, y=64.7 What is the best predicted value of y for x=44? Group of answer choices 57.8 79.6 64.7 60.3

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