Q.Explain the importance of statistics in business and commerce.

Because commerce students study statistics for business use, this answer should focus on the specific business functions statistics serves.

Statistics is indispensable to modern business because virtually every functional area relies on it.

• Marketing and demand analysis. Market research surveys, measurement of consumer demand and preferences, and estimation of market size rest on statistical sampling — deciding what and how much to produce.
• Production and quality control. Statistical quality control (SQC) uses samples from the production line to check the process stays within limits, catching defects early without inspecting every item.
• Sales forecasting and planning. Analysis of past sales (trend and seasonal pattern) lets a firm forecast future sales and plan production, staffing, purchasing and cash flow.
• Finance, banking and insurance. Banks analyse deposits and repayment patterns; insurers fix premiums from mortality and risk statistics; investors study returns and variability before committing funds.
• Cost and profit control. Statistical study of costs, margins and break-even points helps management control expenditure and set profitable prices. …

A common weakness is answering only in general terms ('statistics is useful') without naming specific business functions. Marks come from tying statistics to concrete areas …