Let the sample mean of a set of 20 data points be 30. If it is discovered that a data point naming sales was incorrectly entered as 15. what should be the revised value of the sample mean?
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Answered by
6
Answer:
30.5
Step-by-step explanation:
Sample Mean of 20 data points = 30
Total data points = 20 * 30 = 600
If it is discovered that a data point 25 was incorrectly entered as 15.
New data points = 600 - 15 + 25 = 610
Revised Mean = 610 / 20 ⇒ 30.5
Answered by
1
Answer:
30.5
Step-by-step explanation:
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