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

Author Question: A researcher studied the relationship between family income and amount of money spent on an ... (Read 584 times)

kamilo84

  • Sr. Member
  • ****
  • Posts: 495
on: Aug 30, 2019

Question 1

A silly psychology student gathers data on the shoe size of 30 of his classmates and their GPA’s. The correlation coefficient between these two variables is most likely to be
◦ near -0.6
◦ exactly –1.0
◦ near 0
◦ exactly +1.0
◦ near +0.6

Question 2

A researcher studied the relationship between family income and amount of money spent on an automobile. She calculated that R2 = 45%. Which is the correct interpretation?
◦ The probability of predicting the correct price of a car is 45%.
◦ 45% of the variability in car price can be explained by using income.
◦ 45% of the price of the car can be predicted by using income.
◦ The car price fluctuates 45% more than income.
◦ None of these
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 kamilo84 on Aug 30, 2019

choc0chan

  • Sr. Member
  • ****
  • Posts: 362
Reply #1 on: Aug 30, 2019
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 25% of students answer this correctly


kamilo84

  • Sr. Member
  • ****
  • Posts: 495
Reply #2 on: Aug 30, 2019
TY


choc0chan

  • Sr. Member
  • ****
  • Posts: 362
Reply #3 on: Aug 30, 2019
You're welcome


« previous next »
 

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

The mandrill (Mandrillus sphinx) is a primate of the Old World monkey (Cercopithecidae) family,[3] c The mandrill (Mandrillus sphinx) is a primate of the Old World monkey (Cercopithecidae) family,[3] c
The common squirrel monkey (Saimiri sciureus) is a small New World primate from the Cebidae (squirre The common squirrel monkey (Saimiri sciureus) is a small New World primate from the Cebidae (squirre
gene family gene family
The relationship between RH and temperature. The relationship between RH and temperature.
A depiction of the amount of precipitin that would form with different ratios of antigen and ... A depiction of the amount of precipitin that would form with different ratios of antigen and ...
A close relationship between greenhouse gas emissions and a country’s gross domestic product A close relationship between greenhouse gas emissions and a country’s gross domestic product
Video: Corpus Callosum Animation

For a complete list of videos, visit our video library