Match the following.

List-I (Symbols)	List-II (Applications)
a. r	1. Economic order processing
b. $$\overline {\text{X}} $$	2. Mode
c. σ	3. Mean
d. Z	4. Deviation
	5. Correlation

In statistical analysis, the burden of proof lies traditionally with

Business system consists

From the following statements choose the correct statements.
Statement I A statistic is a characteristic of a population.
Statement II The standard error of mean is the standard deviation of the sampling distribution.
Statement III The standard error of mean decreases in direct proportion to sample size.

. . . . . . . . processing is designed to process more than one type of transactions to bring out the specific business results in one or more business functions.