2nd Year Statistics Chapter 15 Online MCQ Test for 12th Class Statistics Chapter 15 (Association)

(AB), (Aβ), (αB), (αβ) are called

• positive class frequencies A
• negative class frequencies B
• natural class frequencies C
• ultimate class frequencies D

The degree of relationship between the two attributes is called

• regressor A
• correlation B
• regressand C
• association D

A characteristic which varies in quantity from one individual to another is called a________.

• Association A
• Correlation B
• Variable C
• Attribute D

• independent A
• positively associated B
• negatively associated C
• correlated D

The sample size n is reasonably large so that for each cell, the estimated expected frequency must be at least

• 2 A
• 3 B
• 4 C
• 5 D

The degree of linear relationship between two variable is called________.

• Dependent A
• Association B
• Positive C
• Correlation D

A characteristic which varies in quality from one individual to another is called an_______.

• Variable A
• Attribute B
• Associated C
• Independent D

If 6Σd²/n(n² - 1) is zero, the value of r_s is ________.

• 0.5 A
• 1 B
• -1 C
• 0 D

The shape of the chi-square distribution depends upon_________.

• Parameters A
• Number of cells B
• Degrees of freedom C
• Standard deviation D

The two attributes A and B are negatively associated if

• 
  A
• 
  B
• 
  C
• 
  D

C= ------------------------------

• 
  A
• 
  B
• 
  C
• 
  D

The process of dividing the objects into two mutually exclusive classes is called_______

• Bichotomy A
• Trichotomy B
• Dichotomy C
• Multichotomy D

The degree of relationship between the two attributes is called_______.

• Association A
• Correlation B
• Contingency C
• Quantitative D

If two attributes A and B are independent, then co-efficient of association is______.

• -1 A
• +1 B
• 0 C
• 0.5 D

A process of dividing the objects into two mutually exclusive classes of an attribute is called

• classification A
• trichotomy B
• dichotomy C
• association D

Chi-square curve ranges from:

• -∞ to +∞ A
• 0 to ∞ B
• -∞ to 0 C
• 0 to 1 D

For a 3 x 3 contingency table, the number of cells in the table are _________.

• 3 A
• 4 B
• 6 C
• 9 D