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Exam DA0-001 topic 1 question 131 discussion

Actual exam question from CompTIA's DA0-001
Question #: 131
Topic #: 1
[All DA0-001 Questions]

A data analyst needs to perform a full outer join of a customer’s orders using the tables below:


Sales_table -




Order_table -



Which of the following is the mean of the order quantity?

  • A. 73.5
  • B. 76.5
  • C. 78.8
  • D. 81.5
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Suggested Answer: C 🗳️
by Swift_and_Quick at April 17, 2024, 12:40 a.m.

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Swift_and_Quick
6 months, 3 weeks ago
When both tables are merged, there will be six order_qty values, 50 and 103 from both Sales_table and Order_table, 68 from Sales_table, 102, 80, and 70 from Order_table. (50 + 68 + 103 + 102 + 80 + 70) / 6 = 78.8. C is correct.
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