Importance of Statistics in Business and Commerce

Because a Class 11 Commerce student is preparing specifically for the world of business, the importance of statistics to business deserves its own treatment.

• Marketing and demand analysis. Market research surveys, measurement of consumer demand and preferences, and estimation of the size of a potential market all rest on statistical sampling and analysis. A firm decides what to produce, and how much, largely from such data.
• Production and quality control. Statistical quality control (SQC) uses samples drawn from a production line to check whether the process is running within acceptable limits, catching defects early and keeping quality consistent without inspecting every single item.
• Sales forecasting and planning. Analysis of past sales data — its trend and seasonal pattern — lets a firm forecast future sales, and hence plan production, staffing, purchasing and cash flow in advance.
• Finance, banking and insurance. Banks analyse deposits, advances and repayment patterns; insurance companies fix premiums using statistics of mortality and risk; 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 prices that protect the profit margin.
• Comparison and performance measurement. Averages, ratios, percentages and index numbers let a firm compare this year against last, one branch against another, or its own performance against the industry. …