Question: A sample of9observationscollectedin a regression study on two variables,x(independent variable) and y(dependent variable).The sample resulted in the following data. summation (x_i-xbar) 2 =25,summation(x_i-xbar)(y_i-ybar)=76,xbar=3,ybar=10 Calculate the

A sample of9observationscollectedin a regression study on two variables,x(independent variable) and y(dependent variable).The sample resulted in the following data.

summation (x_i-xbar)²=25,summation(x_i-xbar)(y_i-ybar)=76,xbar=3,ybar=10

Calculate the y-intercept (b_0) of the estimated regression equation.

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

QUESTION 1 A sample of 5 observations collected in a regression study on two variables, x(independent variable) and y(dependent variable). The sample resulted in the following data. summation...

Round answers to 0.001, thank you. QUESTION 1 10 points Save Answer A sample of 11 observations collected in a regression study on two variables, x(independent variable) and y(dependent variable)....

10 points Sare QUESTION 2 A sample of 10 observations collected in a regression study on two variables, independent variable and dependent variable). The sample resulted in the following data....

QUESTION 1 A sample of9observationscollectedin a regression study on two variables,x(independent variable) and y(dependent variable).The sample resulted in the following data. summation (x_i-xbar) 2...

1. A sample of 11observationscollected in a regression study on two variables,x(independent variable) and y(dependent variable).The sample resulted in the following data. summation (x_i-xbar) 2 =27,...

Question 1 (1 point) 1. What is the correct expression for the following sum in summation notation? Xzy4 + X3V6 + X4Ve + XV10 + X6V12 + X7)14 O a) IM X2iVi Ob) Xjy zi Odr Xziyi 1=1 O d) IM- *; y zi...

Help me answer the following activities below and follow the given pages. Will rate you helpful, thank you. A. 0.66 B. 0.67 C. 0.68 D. 0.69 7. What is the equation of the line of best fit or...

Midterm Examination Questions - Spring 2016 1. The final examination grades of random samples of students from three different classes are shown below. Class A Class B Class C 92 91 85 85 85 93 96 90...

Business Research MethodologyQuestion Bank 1 1. When the marketing department of an organization attempts to determine the amount of time the managers in this department spend at their computers in...

10. An experimenter has some degree of control over the: a. independent variable. b. correlative variable. c. history effect. d. All of the above, if the experiment is conducted properly. 11. If a...

Josie's new job has a yearly salary of $42,000. Her salary will increase by $4000 each year thereafter. If Josie works for at this job for 30 years how much will she have been paid total over the 30...

Graph the function f(x) = cos2x sin3 x and use the graph to guess the value of the integral 2 f(x) dx. Then evaluate the integral to confirm your guess.

Describe the Butler - Volmer equation and explain its meanings.

For the circuit shown, x(t) is the input and y(t) is the output voltage respectively. x(t)=10sin(? t + ?/3) + 5cos(? t + ?/6); Find the output voltage y(t). Some useful formula - sin(x) = cos(x-?/2);...

One of the material learned is about legal objects, where objects are legal objects in the economy. Therefore it is necessary to learn about how the concept of legal objects in law. The question is:...

What do many organizations use to schedule and coordinate changes for information systems? Question 2 3 options: A . Impact analysis B . Backout plans C . Maintenance windows D . Version control

9. Find a news article in a daily newspaper written by a journalist. How is this news article related to: (a) The writers expertise? (b) The context? (c) The personal characteristics of the writer?...

8. How can an interpreter influence the message?

The geographical location of the sender, i.e. where the sender resides