1. The following table shows the number of units sold (in thousand units) of 6 departments over 5 periods. Department 2019 2020 2021 2022 2023 Operations 42 282 246 266 229 R&D 62 293 169 234 82 Marketing 254 47 133 144 51 Finance 103 239 56 158 70 Sales 26 180 234 190 45 HR 178 88 60 280 31 What is the average number of units sold of Sales over the given periods?
- A138
- B152.17
- C137
- D135
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Answer: D
Average for Sales = (26 + 180 + 234 + 190 + 45) / 5 = 675 / 5 = 135 thousand units.