12th Class Statistics MCQ Test With Answer for Statistics Full Book

A business cycle has

• one phase A
• two phases B
• three phases C
• four phases D

• 
  A
• b_yx B
• b_xy C
• S_p D

A high speed memory that is built in processor is called

• built in memory A
• cache memory B
• internal memory C
• external memory D

In a straight line equation Y = a + bX; a is the:

• X - intercept A
• Slope B
• Y- intercept C
• None of them D

Types of statistical inferences are

• one A
• two B
• three C
• four D

The variable, whose resulting value depends upon the selected value of the independent variable is called______.

• Regression A
• Regressor B
• Regressand C
• Coefficient D

For normal distribution mean always lies between.

• Median and mode A
• Median and Q₁ B
• Median and Q₃ C
• None of these D

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

• Association A
• Correlation B
• Variable C
• Attribute 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 alternative hypothesis is also called:

• Null hypothesis A
• Statistical hypothesis B
• Research hypothesis C
• Simple hypothesis D

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

• -1 A
• +1 B
• 0 C
• 0.5 D

Confidence intervals which are often used in practice are

• 90% A
• 95% B
• 98% C
• all of these D

Study of the population is called_______.

• Parameter A
• Error B
• Statistic C
• Census D

In case of normal distribution maximum value of ordinate is

• μ A
• Zero B
• 
  C
• 
  D

A complete list of elements in a population is called

• population A
• sampling design B
• sampling frame C
• sampling unit D

r is the ------------ of two regression co-efficient b_yx and b_xy

• arithmetic mean A
• geometric mean B
• harmonic mean C
• median D

The probability distribution of proportions is called

• proportional distribution A
• population distribution B
• sample distribution C
• sampling distribution D