This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: In a scatter diagram, the more tightly clustered the data points are around a straight line, the ... (Read 102 times)

saliriagwu

  • Hero Member
  • *****
  • Posts: 537
on: Jun 20, 2018
In a scatter diagram, the more tightly clustered the data points are around a straight line, the __________ the correlation coefficient is between the two variables.
 
  a. lower
  b. higher
  c. closer to zero
  d. weaker

Question 2

Steve wants to examine the linear relation between the number of times a commercial appears on television and the dollar sales of the advertised product. Which of the following correlation coefficients should Steve calculate?
 
  a. product-moment correlation coefficient
  b. Spearman rho
  c. point-biserial correlation
  d. phi coefficient


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

missalyssa26

  • Sr. Member
  • ****
  • Posts: 327
Reply #1 on: Jun 20, 2018
Answer to Question 1

b

Answer to Question 2

a


saliriagwu

  • Member
  • Posts: 537
Reply 2 on: Jun 20, 2018
Gracias!

nguyenhoanhat

  • Member
  • Posts: 332
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

The effects of germ-line versus somatic cell mutations. The effects of germ-line versus somatic cell mutations.
Spider Silk Diagram Spider Silk Diagram
The 18 tender points of fibromyalgia The 18 tender points of fibromyalgia
Prevalence of Diabetes in the United States Based on Age and Sex Data from the American Diabetes ... Prevalence of Diabetes in the United States Based on Age and Sex Data from the American Diabetes ...
Fuel should be heard returning to the fuel tank at the fuel return line if the fuel-pump and ... Fuel should be heard returning to the fuel tank at the fuel return line if the fuel-pump and ...
Spectrum of Food Security Food insecurity and hunger are points along the continuum Spectrum of Food Security Food insecurity and hunger are points along the continuum
Video: Studying the Left and Right Brain Independently

For a complete list of videos, visit our video library