In descriptive statistics, we study:

A. The description of decision making process
B. The methods for organizing, displaying, and describing data
C. How to describe the probability distribution
D. None of the above

In statistics, a sample means__________?

A. A portion of the sample
B. A portion of the population
C. All the items under investigation
D. None of the above

Life of a T.V picture tube is a:___________?

A. Discrete variable
B. Continuous variable
C. Qualitative variable
D. Constant

The middle value of an ordered array of numbers is the____________?

A. Mode
B. Mean
C. Median
D. Mid point

Which of the following divides a group of data into four subgroups?

A. Percentiles
B. Deciles
C. Median
D. Quartiles

The weights of students in a college/school is a___________?

A. Discrete variable
B. Continuous variable
C. Qualitative variable
D. None of these

The number of accidents in a city during 2012 is____________?

A. Discrete variable
B. Continuous variable
C. Qualitative variable
D. Constant

The data which have already been collected by some one are called____________?

A. Raw data
B. Array data
C. Secondary data
D. Fictitious data

Primary data and _____________ data are same?

A. Grouped
B. Secondary data
C. Ungrouped
D. None of these

A parameter is a measure which is computed from___________?

A. Population data
B. Sample data
C. Test statistics
D. None of these