Compute the MAE for the data below: Time series Forecast 16 19.6 20 19 18 19.14 22 19

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Please help with the corrected answers in details: The following time series shows the sales of a particular product over the past 12 months. Month Sales 1 105 2 135 3 120 4 105 5 90 6 120 7 145 8 140 9 100 10 80 11 100 12 110 What type of pattern exists in the data?  The data appear to follow a trend pattern. The data appear to follow a horizontal pattern.     The data appear to follow a cyclical pattern.The data appear to follow a seasonal pattern. (b) Use ? = 0.2 to compute the exponential smoothing values for the time series. (Round your answers to two decimal places.) Month t Time Series Value Yt Forecast  Ft 1 105   2 135   3 120   4 105   5 90   6 120   7 145   8 140   9 100   10 80   11 100   12 110   (c) Use a smoothing constant of ? = 0.4 to compute the exponential smoothing forecasts. (Round your answers to two decimal places.) Month t Time Series Value Yt Forecast  Ft 1 105   2 135…

Following shows the numbers of Amazon Prime members in the millions, each quarter from 2016 to 2021. Quarter    2016     2017     2018     2019     2020        2021              1               26          36          48         62          81          98              2               27          37          50         65          83         103              3               29          40          53         69          86         109 4               33          44          57         74          93          117           Construct a line chart using the data.  Describe the relationship between the time and number of subscribers.

Given the following history, use a three-quarter moving average to forecast the demand for the third quarter of this year. Note that the 1st quarter is January, February, and March; 2nd quarter April, May, June: 3rd quarter July, August, September; and 4th quarter October, November, December. Note: Round final answer to a whole number. JANUARY FEBRUARY MARCH APRIL MAY JUNE JULY AUGUST SEPTEMBER OCTOBER NOVEMBER DECEMBER Last year 120 145 155 195 205 220 170 160 150 220 245 270 This year 145 155 175 210 215 210

180.5 181.7 180.9 181.6 182.6 181.6181.3 182.1 182.1 180.3 181.7 180.5Compute the following:a. Range