According to the instructor, for the exponential smoothing with trend and seasonality model, a seasonal index for a particular season should be in the range of

$(0\mathrm{.}0-2\mathrm{.}0)$

$(0\mathrm{.}0-1\mathrm{.}0)$

$(0\mathrm{.}0-4\mathrm{.}0)$

$(0\mathrm{.}0-3\mathrm{.}0)$