1 analysing seasonality of time series we obtained the output shown be
1- Analysing seasonality of time series, we obtained the output shown below.
ice.cream.sale refers to ice-cream sales in hundreds of kilograms, qj is a dummy indicator of quarter j.
i- Formulate the null hypothesis of a suitable test to find out whether seasonal pattern exhibits statistically significant.
ii- What is the interpretation of the estimated intercept? Does it make any sense?
iii- What is the interpretation of the estimated coefficient of the dummy variable q3?
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