« previous next »

Author Question: Under what circumstances is the phi-coefficient used? A) when one variable consists of ranks and ... (Read 16 times)

lidoalex

  • Hero Member
  • *****
  • Posts: 538
on: Jun 20, 2018
Under what circumstances is the phi-coefficient used?
 
  A) when one variable consists of ranks and the other is regular, numerical scores
  B) when both variables consists of ranks
  C) when both X and Y are dichotomous variables
  D) when one variable is dichotomous and the other is regular, numerical scores

Question 2

A sample of n = 4 scores is obtained from a population with  = 70 and  = 8. If the sample mean corresponds to a z-score of 2.00, then what is the value of the sample mean?
 
  A) M = 86
  B) M = 78
  C) M = 74
  D) M = 72


Yixagurpuldink

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Jun 20, 2018
Answer to Question 1

C

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

The hierarchy of biological classification's eight major taxonomic ranks. The hierarchy of biological classification's eight major taxonomic ranks.
Heme consists of a complex organic ring structure, protoporphyrin Heme consists of a complex organic ring structure, protoporphyrin
A cutaway view of a typical variable fuel sensor. A cutaway view of a typical variable fuel sensor.
A typical variable cam timing control valve. The solenoid is controlled by the engine computer and ... A typical variable cam timing control valve. The solenoid is controlled by the engine computer and ...
This five-wire mass air flow sensor consists of a metal foil sensing unit, an intake air temperature ... This five-wire mass air flow sensor consists of a metal foil sensing unit, an intake air temperature ...
Correlation Coefficient, r (Chart) Correlation Coefficient, r (Chart)
Video: Evolutionary tree of life Animation

For a complete list of videos, visit our video library