ICS Part 2 Statistics Online Test

A population is called _______ if it includes an unlimited number of sampling units.

• Finite A
• Infinite B
• Statistic C
• None of these D

Joystick is an example of:

• Input devices A
• Output devices B
• Processing devices C
• Storage devices D

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

• -1 A
• +1 B
• 0 C
• 0.5 D

A process by which we estimate the value of dependent variable on the basis of one or more independent variable is called_________.

• Residual A
• Correlation B
• Regression C
• Slope D

(1-α) is called:

• Critical value A
• Level of significance B
• Level of confidence C
• Interval estimate 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

Another name of probability sampling is________ sampling.

• Random A
• Non-random B
• Error C
• Bias D

The relationship that describes the dependence of the expected value of the dependent random variable for a given value of the independent non-random variable is called

• equation A
• relation B
• ratio C
• regression D

In normal distribution.

• Mean > median > mode A
• Mean = median = mode B
• Mean < median < mode C
• None of these D

Second moment about mean is also called

• mean A
• variance B
• skewness C
• standard deviation D

Drag and drop is a term associated with:

• Mouse A
• Keyboard B
• Printer C
• Scanner D

Sum of squares of residuals is denoted by

• ∑e A
• ∑e² B
• ∑e³ C
• ∑e⁴ D

Screen output is considered as a _________.

• Hardcopy A
• Softcopy B
• Input C
• Software D

The straight line graph of the linear equation Y = a + bX, the slope will be upward it_______.

• b = 0 A
• b < 0 B
• b > 0 C
• b ≠ 0 D

• best estimators A
• biased estimators B
• unbiased estimators C
• normal estimators D

Total probability under the normal curve is

• 1 A
• 0 B
• -1 C
• ∞ D

If 1-α = 0.90, the value of Z_a/2 is:

• 1.645 A
• 1.96 B
• 2.326 C
• 2.575 D