Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. basic math
  3. a recent article in businessweek listed the “bes

A recent article in BusinessWeek listed the “Best Small Companies.” We are interested in the current...

90.2K

Verified Solution

Question

Basic Math

A recent article in BusinessWeek listed the “Best SmallCompanies.” We are interested in the current results of thecompanies' sales and earnings. A random sample of 12 companies wasselected and the sales and earnings, in millions of dollars, arereported below.

Company

Sales
($ millions)

Earnings
($ millions)

Company

Sales
($ millions)

Earnings
($ millions)

Papa John's International

$

86.8

$

5.0

Checkmate Electronics

$

15.4

$

2.6

Applied Innovation

18.9

4.4

Royal Grip

10.8

1.7

Integracare

17.2

1.5

M-Wave

15.5

3.3

Wall Data

74.6

8.2

Serving-N-Slide

53.6

8.5

Davidson & Associates

59.9

6.9

Daig

26.6

6.0

Chico's FAS

49.6

4.1

Cobra Golf

66.5

11.0

Let sales be the independent variable and earnings be thedependent variable.

    

(a)Compute the correlation coefficient. (Round your answerto 3 decimal places.)

     

  Coefficient of correlation  

     

(b)Compute the coefficient of determination. (Round youranswer to 3 decimal places.)

     

  Coefficient of determination  

     

(c)Determine the regression equation. (Round your answersto 4 decimal places.)

       

  The regression equation, with the coefficients, isYˆY^ = ______ +_____  X

     

(d)

For a small company with $50 million in sales, estimate theearnings. (Round your answer to 4 decimalplaces.)

      

  Estimated earnings$  millions  

Answer & Explanation Solved by verified expert
3.6 Ratings (584 Votes)
Please dont hesitate to give a thumbs up    See Answer
Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:
  • Unlimited Question Access with detailed Answers
  • Zin AI - 3 Million Words
  • 10 Dall-E 3 Images
  • 20 Plot Generations
  • Conversation with Dialogue Memory
  • No Ads, Ever!
  • Access to Our Best AI Platform: Zin AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students

Q

This question refers to a sweepstakes promotion in which respondents were asked to select what color...

Statistics
Q

explain the mechanism of action of the nervous system in relation to the bone and muscular...

Medical Sciences
Q

A hydraulic lift in a garage has two pistons: a small one of cross-sectional area 4.50cm2...

Physics
Q

Elaborate with your own words the importance of Laplace transform in electric circuit analysis. Explain also...

Electrical Engineering
Q

4. Consider the relationship between the number of bids an item on eBay received and the...

Basic Math
Q

List few steps to take when responding to rumors and encountering negative business information on social...

General Management
Q

7 marks Let P be the plane through the point A 2 1 1 with...

Algebra
Q

X 330 22 18 11 289 97 X 12 740 8 8 m 9 15...

Algebra
Q

Relaunch to update Chapter 4: Practice for Points (i) Help Save...

Accounting
Q

Name some fraud detection and response policies for the banking industry, including evidence gathering.

Accounting
Q

3. If the marginal tax rate on nominal interest payments is 25%, compute the before-tax...

Accounting
Q

need help asap please Guifcoast, Inc. purchased a van on January 1, 2025, for $850,000....

Accounting