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A member of your market research team conducted tests of a new television advert with twenty different groups of consumers, in which they rated their satisfaction (on a ten point scale) with the advert and likelihood of purchasing the advertised product (on a five point scale) . He is worried about the familywise error rate across the tests, what advice would you give him.
Cyclical Effect
A pattern of fluctuations in a time series that corresponds to cycles in the broader economy, often related to business or economic conditions lasting more than a year.
Exponential Smoothing
A time series forecasting method for univariate data that applies smoothing factors to make forecasts.
Smoothing Constant
A parameter used in exponential smoothing forecasting methods to control the rate at which older observations are dampened.
Forecasted Value
A prediction or estimate of a future value based on historical data and analysis.
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