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

The degree of relationship between the two attributes is called_______.

• Association A
• Correlation B
• Contingency C
• Quantitative 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

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

• 
  A
• 
  B
• 
  C
• 
  D

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

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

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

• 1 A
• 0.5 B
• 0 to ∞ C
• -∞ to +∞ D

The degree of linear relationship between two variable is called________.

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

Degree of linear relationship between two variables is called

• regression A
• association B
• correlation C
• disassociation 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

(α) = (αB) + ------------------

• (Aβ) A
• (AB) B
• (αβ) C
• (A) D

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

• 0.5 A
• 1 B
• -1 C
• 0 D

The two attribute A and B are positively associated, if _________.

• (AB) = (A)(B)/n A
• (AB) < (A)(B)/n B
• (AB) ≠ (A)(B)/n C
• (AB) > (A)(B)/n D

The degree of relationship between the two attributes is called

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

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

• (B) A
• (α) B
• (β) C
• (A) D

Chi-square curve ranges from:

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

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

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

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

• Φ² A
• q² B
• α² C
• β² D