4.3 Glossary of key terms
Key term | Definition |
Correlation | The relationship between two sets of numbers or variables, such as sales revenue at different times of the year. |
Cyclical variations | The recurring fluctuations in sales revenues due to the trade cycle (or business cycle). |
Extrapolation | A forecasting technique that identifies the trend from using past data and then extending this trend line to predict future sales. |
Random variations | Irregular, erratic, or unexpected fluctuations in sales revenues, caused by unexpected and unpredictable factors. |
Range | The difference between the highest and the lowest values in a data set. |
Sales forecasting | A quantitative technique used to predict a firm’s level of sales revenue over a given time period. |
Seasonal variations | Foreseeable periodic fluctuations in sales revenues over a known period of time, such as certain months or times of the year. |
Time series analysis |
Return to the Unit 4.3 - Sales forecasting (HL only) homepage
Return to the Unit 4 - Marketing homepage