Multiple choice

Following data shows the sale of shirts in a shop for the past 3 weeks. 5, 2, 3, 2, 4, 8, 7, 9, 12, 10, 3, 1, 7, 18, 12, 7, 18, 12, 7, 8, 6 Find the average number of shirts sold per day.

  1. 5.89

  2. 6.89

  3. 7.67

  4. 8.89
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C Correct answer
AI explanation

Using the direct average method, add all the given numbers of shirts sold: 5 plus 2 plus 3 plus 2 plus 4 plus 8 plus 7 plus 9 plus 12 plus 10 plus 3 plus 1 plus 7 plus 18 plus 12 plus 7 plus 18 plus 12 plus 7 plus 8 plus 6 equals 161. There are 21 days of sales data provided in the list. Divide the total sum of 161 by 21 to find the average sold per day. The result is 7.67 shirts.

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