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

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

(AB), (Aβ), (αB), (αβ) are called

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

The shape of the chi-square distribution depends upon_________.

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

The degree of relationship between the two attributes is called

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

• Φ² A
• q² B
• α² C
• β² D

(α) = (αB) + ------------------

• (Aβ) A
• (AB) B
• (αβ) C
• (A) D

The value of chi-square statistic is always _______.

• Negative A
• Non-negative B
• Zero C
• One D

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

• (B) A
• (α) B
• (β) C
• (A) 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

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

• -1 A
• +1 B
• 0 C
• 0.5 D

The critical region of=χ2distribution is

• χ2 <χ2v; 1-α A
• χ2 <χ2v;1-α B
• χ2 <χ2 v;1-α/2 C
• χ2 <χ2v;1-α/2 D

A characteristic which varies in quality form one individual to another is called

• variable A
• constant B
• attribute C
• none of these D

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

• 3 A
• 4 B
• 6 C
• 9 D

Degree of linear relationship between two variables is called

• regression A
• association B
• correlation C
• disassociation D

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

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