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

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

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

The value of coefficient of association lies between

• 0 and + 1 A
• -1 and + 1 B
• -1 and 0 C
• -0.5 and + 0.5 D

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

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

• Φ² A
• q² B
• α² C
• β² D

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

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

The two attributes A and B are ________associated, If (AB) < (A)(B)/n.

• Positively A
• Negatively B
• Zero C
• Symmetrical D

(α) = (αB) + ------------------

• (Aβ) A
• (AB) B
• (αβ) C
• (A) D

The degree of linear relationship between two variable is called________.

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

If two attributes A and B have perfect positive association value of the coefficient of association is equal to _______.

• +1 A
• -1 B
• 0 C
• (r-1)(c-1) D

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

• -1 A
• +1 B
• 0 C
• 0.5 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

(AB), (Aβ), (αB), (αβ) are called

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

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

The value of chi-square statistic is always _______.

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

Degree of linear relationship between two variables is called

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

If any ultimate class frequency is negative the data will be

• inconsistent A
• consistent B
• correlated C
• composite D