I the Basic Question in Testing the Significance of Rho

question 4

Multiple Choice

i. The basic question in testing the significance of rho is to see if there is zero correlation in the
Population from which the sample was selected.
ii. An z test is used to test the significance of the coefficient of correlation.
iii. Perfect correlation means that the scatter diagram will appear as a straight line.

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) and (ii) are correct statements but not (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements but not (i).
• E) (i), (ii), and (iii) are all false statements.

---

Definitions:

Syntax

The set of rules in a language that dictates how words and phrases are arranged to create meaningful sentences.

Extension

In general terms, it refers to the act of increasing the length or duration of something or expanding its scope or coverage.

Expansion

The act or process of increasing in size, volume, quantity, or scope.