Question: Referring to the previous problem, another student in the same class computed a regression equation relating the same two variables. The slope of the equation

Referring to the previous problem, another student in the same class computed a regression equation relating the same two variables. The slope of the equation was found to be - 0.735. After trying several times and always coming up with the same result, she felt that she must have been doing something wrong since the value was negative and she knew that this could not be right. Comment on this student’s conclusion.

Step by Step Solution

★★★★★

3.46 Rating (166 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

The student is correct If the correlation coefficient between the two variables is 045 we ... View full answer

Question Has Been Solved by an Expert!

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

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

645-M-S-L-R (5573).docx

120 KBs Word File

Students Have Also Explored These Related Statistics Questions!

Referring to the previous problem, another possible criterion is called expected regret. Here you calculate the regret for each cell, take a weighted average of these regrets in each row, weighted by...

Referring to the previous problem, find the same probabilities through the counting argument explained in this section. Start with 100,000 athletes and divide them into the various categories. a....

Referring to the previous problem, you often hear the results of such a poll in the news. In fact, the newscasters usually report something such as, 44.9% of the population approve or strongly...

Referring to the previous problem, another student in the same class computed a regression equation relating the same two variables. The slope of the equation was found to be - 0.735. After trying...

Referring to Exercise 14-50, another student in the same class computed a regression equation relating the same two variables. The slope of the equation was found to be -0.735. After trying several...

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...

please show all work and explain. please use table 6. Students who complete their exams early certainly can intimidate the other students, but do the early finishers perform significantly differently...

Directions: Please respond to the questions listed below. For These you can give direct answers with no explanation. Note: THIS ISNT FOR AN ASSIGNMENT BUT MERELY FOR MY OWN UNDERSTANDING AND...

All parts of this Problem must be done in Minitab and/or Excel. Over the past few years the percentage of students who leave Lakeland College at the end of the first year has increased. Last year...

11 Problem 1 A random sample of 17 sophomores and a random sample of 13 juniors attending a large university yield the following descriptive results on grade point averages: 1 = 2.84, 1 = 0.52, and 1...

Find those values of x for which the function f(x)=-2x^(3)+4x^(2)+1 is increasing and those values for which it is decreasing. Identify any maximum or minimum points.

A household fan of diameter 0.75 m takes air in at 98 kPa, 22oC and delivers it at 105 kPa, 23oC with a velocity of 1.5 m/s. What are the mass flow rate (kg/s), the inlet velocity and the outgoing...

Question 2 of 5 . Under what special circumatance may an amended return claiming a refund be fied ather the normal filing dencline has expired? The taxpayer: Was physicaly or mentally unable io...

9. Which of the following is not a step in the development of an accounting information system? a. Implementation b. Flexibility c. Feedback d. Analysis

A man is tested to determine whether he can tell butter from margarine. He is blindfolded and given small bites of English muffin to identify. At each trial, an English muffin with either butter or...

Mary was tested to see whether she could tell peppermint gum from spearmint gum by smell alone. She got 12 right out of 20, and the p-value was 0.186. Explain what is wrong with the following...

The Gallup organization frequently conducts polls in which they ask the following question: In general, do you feel that the laws covering the sale of fire-arms should be made more strict, less...

Fama's Llamas has a weighted average cost of capital of 11 percent. The company's cost of equity is 16 percent, and its pretax cost of debt is 7.5 percent. The tax rate is 34 percent. What is the...

Consider the following portfolio: a newly entered - into long forward contract on an asset and a long position in a European put option on the asset with the same maturity as the forward contract and...

John will reitre next month and has $ 6 5 0 , 0 0 0 in Registered Retirement Savings Plan ( RRSP ' s ) . He wants a monthly payment at the beginning of each month and expects to earn 7 % , compounded...