Use the data given below to answer the following question(s). The table provided below gives the sales details of the number of android smart phones at an electronic retail store for the past 6 weeks. The time series appears to be relatively stable, without trend, seasonal, or cyclical effects. The simple moving average value of k is set at 2. Week Units sold For the given data, the simple moving average mean absolute deviation is A. 0.21 B. 20.12 C. 8.5 D. 207.13 O 0.21 207.13 20.12 O 8.5