For the given data

Calculate first order autocorrelation function $(r_{k-1})$ and check its significance

Calculate forecast Ft $(2023)$ using Naive II when $p=0\mathrm{.}3$ and MAPE.

Calculate forecast Ft $(2023)$ using three period moving average $(M{A}_3)$ and RMSE.

Calculate forecast Ft $(2023)$ using weighted moving average WMA when past weights are

$0\mathrm{.}1,0\mathrm{.}3,0\mathrm{.}6$ and plot the time series graph

Calculate forecast Ft $(2023)$ using simple exponential smoothing $($SES$)$ with $=0\mathrm{.}3$ and plot

the time series graph.