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Given the following AWS CloudWatch custom metric data sent every minute:

medium📝 Predict Output Q13 of 15
AWS - CloudWatch
Given the following AWS CloudWatch custom metric data sent every minute:
aws cloudwatch put-metric-data --metric-name PageViews --namespace MyApp --value 5

What will be the average value shown in CloudWatch after 3 minutes if the command is run 3 times with values 5, 7, and 8 respectively?
A6.67
B7
C20
D5
Step-by-Step Solution
Solution:
  1. Step 1: Sum the metric values sent

    The values sent are 5, 7, and 8. Their sum is 5 + 7 + 8 = 20.
  2. Step 2: Calculate the average over 3 data points

    Average = Total sum / Number of data points = 20 / 3 ≈ 6.67.
  3. Final Answer:

    6.67 -> Option A
  4. Quick Check:

    Average = sum/3 = 6.67 [OK]
Quick Trick: Average = sum of values divided by count [OK]
Common Mistakes:
  • Adding values but not dividing by count
  • Taking the last value as average
  • Multiplying values instead of averaging

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