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

• 6Σd₁ A
• 5Σd¹ B
• 
  
  
  C
• 
  D

The degree of relationship between the two attributes is called

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

The total area under the curve of chi-square distribution is_______.

• 1 A
• 0.5 B
• 0 to ∞ C
• -∞ to +∞ D

If (AB) = (A)(B)/n, the two attributes. A and B are _________.

• Independent A
• Dependent B
• Correlated C
• Quantitative D

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

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

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

• 
  A
• 
  B
• 
  C
• 
  D

(α) = (αB) + ------------------

• (Aβ) A
• (AB) B
• (αβ) C
• (A) D

For an r x c contingency table, the number of degrees of freedom are equal to:

• rc A
• r + c B
• (r-1)+(c-1) C
• (r-1)(c-1) D

(AB), (Aβ), (αB), (αβ) are called

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

The shape of the chi-square distribution depends upon_________.

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

Chi-square curve ranges from:

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

n = (A) + --------------------

• (B) A
• (α) B
• (β) C
• (A) D

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

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

• 3 A
• 4 B
• 6 C
• 9 D

If any ultimate class frequency is negative the data will be

• inconsistent A
• consistent B
• correlated C
• composite 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

The degree of linear relationship between two variable is called________.

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