Please don’t use excel Answer the given problem. Process the data in excel and present the results.A researcher is interested in knowing how well he can predict blood pressure from sodium intake.1. Formulate the regression equation for the data.2. What would be the likely blood pressure reading for a patient with a sodium intake of 6.0? of 8.5?PatientsSodiumBP16.515127.317036.616547.517257.618766.716176.716987.819297185107.4190T116.2145126.7 OL 143 RES6.7

The question is about regression Given :

Answered: 1. Formulate the regression equation…

College Algebra

1st Edition

ISBN:9781938168383

Author:Jay Abramson

Publisher:Jay Abramson

Chapter4: Linear Functions

Section: Chapter Questions

Problem 41RE: For the following exercises, consider the data in Table 5, which shows the percent of unemployed in...

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Find the equation of the regression line for the following data set. x 1 2 3 y 0 3 4
What does the y -intercept on the graph of a logistic equation correspond to for a population modeled by that equation?
For the following exercises, use Table 4 which shows the percent of unemployed persons 25 years or older who are college graduates in a particular city, by year. Based on the set of data given in Table 5, calculate the regression line using a calculator or other technology tool, and determine the correlation coefficient. Round to three decimal places of accuracy
For the following exercises, consider the data in Table 5, which shows the percent of unemployed in a city ofpeople25 years or older who are college graduates is given below, by year. 41. Based on the set of data given in Table 7, calculatethe regression line using a calculator or othertechnology tool, and determine the correlationcoefficient to three decimal places.
For the following exercises, consider the data in Table 5, which shows the percent of unemployed ina city of people 25 years or older who are college graduates is given below, by year. 40. Based on the set of data given in Table 6, calculate the regression line using a calculator or other technology tool, and determine the correlation coefficient to three decimal places.
Listed below are the overhead widths (cm) of seals measured from photographs and weights (kg) of the seals. Find the regression equation, letting the overhead width be the predictor (x) variable. Find the best predicted weight of a seal if the overhead width measured from a photograph is 1.8cm, using the regression equation. Can the prediction be correct? If not, what is wrong? Use a significance level of 0.05. Overhead Width (cm) 7.1 7.3 9.9 9.3 8.8 8.3 Weight (kg) 137 176 282 230 230 214 The regression equation is y=+x. (Round the constant to the nearest integers needed. Round the coefficient to one decimal place as needed.) The best-predicted weight for an overhead width of 1.8 cm, based on the regression equation, is: ____ kg. (Round to one decimal place as needed.) Can the prediction be correct? If not, what is wrong? A. The prediction cannot be correct because a weight of zero does not…
Can you also provide solutions for question d,e, and f? d. Is the difference in the answers to (a) and (b) statistically significantat the 5% level? Explain.e. Would your answers to (a) through (d) change if the person were awoman? If the person were from the South? Explain.f. How would you change the regression if you suspected that the effectof experience on earnings was different for men than for women?
Listed below are systolic blood pressure measurements (in mm H) obtained from the same woman. Find the regression equation, letting the fight arm blood pressure be the predictor (x) variable, Find the best predicted systolic blood pressure in the left arm given that the systolic blood pressure in the right arm is 90 mm Hg. Use a significance level of 0.05. Right Arm 100 99 93 76 77 9 Left Arm 176 169 118 145 146 EB Click the icon to view the critical values of the Pearson correlation coefficient r The regression equation is 9 = 7 + 7x (Round to one decimal place as needed.) Given that the systolic blood pressure in the right arm is 90 mm Hq, the best predicted systolic blood pressure in the left arm is mm Hg. (Round to one decimal place as needed.)
Before buying a new car , a consumer wants to learn how the weight of a car affects highway gas mileage. Statistical software was used to conduct a simple linear regression about the relationship between the weight (in lbs) of a car and its highway mpg. The following equation for the regression line was given: mpg=49.5-0.0081weight If your car weighs 3200 lbs , what does the model predict in the highway mpg? Round to 1 decimal places.
wrie down the estimated regression equation?
It is considered that the number of employees in the enterprise affects the number of production. Data are given below. Which of the following is the simple linear regression equation?

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1. Formulate the regression equation for the data. 2. What would be the likely blood pressure reading for a patient with a sodium intake of 6.0? of 8.5? Patients Sodium BP 1 6.5 151 7.3 170 6.6 165 7.5 172 7.6 187 6.7 161 6.7 169 7.8 192 7 185 7.4 190 6.2 145 6.7 143 as w N 10 11 12 E