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

Author Question: The correlation between X and Y is r = 0.35. If we double each X value, decrease each Y by 0.20, and ... (Read 14 times)

Jkov05

  • Hero Member
  • *****
  • Posts: 556
on: Jul 25, 2018
The correlation between X and Y is r = 0.35. If we double each X value, decrease each Y by 0.20, and interchange the variables (put X on the Y-axis and vice versa), the new correlation
 
  A) is 0.70.
  B) is 0.90.
  C) cannot be determined.
  D) is 0.35.
  E) is 0.50.

Question 2

The auto insurance industry crashed some test vehicles into a cement barrier at speeds of 5 to 25 mph to investigate the amount of damage to the cars.
 
  They found a correlation of r = 0.60 between speed (MPH) and damage (). If the speed at which a car hit the barrier is 1.5 standard deviations above the mean speed, we expect the damage to be _?__ the mean damage.
  A) 0.60 SD above
  B) equal to
  C) 0.90 SD above
  D) 1.5 SD above
  E) 0.36 SD above
Stats: Modeling the World ¦ Bock, Velleman, De Veaux ¦ 4th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

juicepod

  • Sr. Member
  • ****
  • Posts: 310
Reply #1 on: Jul 25, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 29% of students answer this correctly


Jkov05

  • Member
  • Posts: 556
Reply 2 on: Jul 25, 2018
Gracias!

sultansheikh

  • Member
  • Posts: 335
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

DNA Is a Double Helix p1 DNA Is a Double Helix p1
This Russian godfather is leaving a Moscow court just after he was acquitted of a double murder. Do ... This Russian godfather is leaving a Moscow court just after he was acquitted of a double murder. Do ...
Bacteriophage double-strand DNA (linear) Bacteriophage double-strand DNA (linear)
Double Angle Identity Double Angle Identity
Consequences of a double exchange occurring between two nonsister chromatids Consequences of a double exchange occurring between two nonsister chromatids
The DNA double helix as proposed by Watson and Crick The DNA double helix as proposed by Watson and Crick
Video: Introduction to Insulin

For a complete list of videos, visit our video library