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

Which one is called as a set of electronic instructions ?

• hardware A
• software B
• hardcopy C
• softcopy D

In a normal distribution β₁ = 0 and β₂ = __________.

• 2 A
• 4 B
• 3 C
• 5 D

P(type II error) is equal to:

• α A
• β B
• 1 - α C
• 1 - β D

The following statistic are unbiased estimators:

• The Sample mean A
• S² = Σ(X - X)²/n-1 B
• The sample proportion C
• All the above D

• 
  A
• b_yx B
• b_xy C
• S_p 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

Degree of linear relationship between two variables is called

• regression A
• association B
• correlation C
• disassociation 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

The degree of confidence is equal to:

• β A
• 1 - β B
• 1 - α C
• α D

In case of normal distribution maximum value of ordinate is

• μ A
• Zero B
• 
  C
• 
  D

The values of test statistic which separate the rejection and non rejection regions for the test are called

• simple values A
• critical values B
• parametric values C
• none of these D

The distance between an estimate and the estimated parameter is called:

• Sampling error A
• Standard error B
• Bias C
• Error of estimation D

Estimation is of two types:

• One sides and two sides A
• Type I and type II B
• Point estimation and interval estimation C
• Biased and unbiased 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

μ - 2σ to=μ + 2σ contains approximately_______ area.

• 75% A
• 50% B
• 95.45% C
• 99.73% D

Keyboard, mouse and scanner are the ---------- devices

• input A
• output B
• logical C
• mini D

A statement about the value of a population parameter is called:

• Null hypothesis A
• Alternative hypothesis B
• Simple hypothesis C
• Composite hypothesis D