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Identify which of these types of sampling is used: random, stratified, systematic, cluster, convenience.
-49, 34, and 48 students are selected from the Sophomore, Junior, and Senior classes with 496, 348, and 481
Students respectively.
Seasonality
The phenomenon in sales or industry performance that recurs consistently in specific seasons of the year, affecting demand and supply dynamics.
Time-Series Forecasting Methods
Statistical techniques used to analyze and make predictions based on data points collected or indexed in time order.
Historical Demand
The record of past customer demand for a product or service, used to predict future demand patterns and guide inventory and production planning.
Forecast
A prediction or estimate of future events or trends, especially regarding weather or economics.
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