Question: Problem 9 examined the relationship between weight and income for a sample of n = 10 women. Weights were classified in five categories and had

Problem 9 examined the relationship between weight and income for a sample of n = 10 women. Weights were classified in five categories and had a mean of
M = 3 with SS = 20. Income, measured in thousands, had a mean score of M = 66 with SS = 7430, and SP = 2359.
a. Find the regression equation for predicting income from weight. (Identify the income scores as X values and the weight scores as Y values.)
b. What percentage of the variance in the income is accounted for by the regression equation?
(Compute the correlation, r, then find r2.)
c. Does the regression equation account for a significant portion of the variance in income?
Use a = .05 to evaluate the F-ratio.

Step by Step Solution

★★★★★

3.31 Rating (169 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

a SS weight 20 SS income 7430 SP ... 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)

568-M-S-L-R (4453).docx

120 KBs Word File

Students Have Also Explored These Related Statistics Questions!

Problem 12 in Chapter 15 examined the relationship between weight and income for a sample of n = 10 women. Weights were classified in five categories and had a mean of M = 3 with SS = 20. Income,...

Indicate whether the following statements indicate a positive or negative relationship. a. Duncan, Hoekstra, and Wilcox (2012) found that college students who used their cell phones more during...

In order to have its cars meet the corporate average fuel economy (CAFE) standard, a manufacturer needs to improve the mileage of two of its cars. One design, a small sports car, weighs 2,500 pounds....

Problem 13 in Chapter 15 examined the relationship between weight and income for a sample of n = 8 men. Weights were classified in five categories and had a mean of M = 3 with SS = 18. Income,...

Problem 12 presented data showing a negative relationship between weight and income for a sample of working women. However, weight was coded in five categories, which could be viewed as an ordinal...

Problem 9 presented data showing a positive relationship between weight and income for a sample of professional men. However, weight was coded in five categories that could be viewed as an ordinal...

...... HELP 10-63. For an F distribution. find the following: on printed circuit boards. Random samples of 25 men and 21 (a) fo25,s.10 (b) fom.249 women were selected, and each subject assembled the...

Set Week 3: Chapters 3 & 4 Chapter 3: Complete the EVEN numbers problems listed below; the problem set begins on page 100 in Gravetter and Wallnau (2013). The answers to the odd numbered problems are...

1. This is an OPEN BOOK/OPEN NOTE exam CHAPTER 9 Which of the following is a fundamental difference between the t statistic and a z-score? (Points : 2) The t statistic uses the sample mean in place...

Below is the assignment, attached in the excel file is actually all the answers, I need these transferred into my own excel file, answering all the questions below. Integrated mini-case: ?Working...

What are Filipinos cultured food, exactly?

Using 2000 as the base period, compute a simple index of domestic sales for each year from 2000 until 2012. Interpret the trend in domesticsales. Domestic Sales International Sales Employees $...

Explain the difference between dynamic pricing and price discrimination. State your opinion on the fairness of these pricing strategies. Should businesses be allowed to use them? Explain your answer.

An autoworker who had been on FMLA leave for a serious health condition was given clearance by her doctor and reported to work on June 27, 2000. She had previously worked on the engine line in a...

Explain how the likelihood of rejecting the null hypothesis for a t test is inuenced by sample size and sample variance.

Conduct a hypothesis test using the t statistic.

Explain the relationship between the t distribution and the normal distribution.

A convertible bond has a 6.5 percent coupon, paid semiannually, and will mature in 10 years. If the bond were not convertible, it would be priced to yield 5.5 percent. The conversion ratio on the...

Word Problem 20-24 [LU 20-3(1)] A local Dunkin' Donuts franchise must buy a new piece of equipment in 6 years that will cost $95,000. The company is setting up a sinking fund to finance the purchase....

An insurance company must make payments to a customer of $ 1 2 million in one year and $ 6 million in three years. The yield curve is flat at 8 % . a . If it wants to fully fund and immunize its...