if the mean of 18 observation is 25 and each observation is increased by 5, what will be the new mean
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1
Answer:
30
Step-by-step explanation:
Mean = 25
Total Observations = 18
Sum of observations = Mean * Total Observations
= 25 * 18
= 450
Increment = 5 per observation
= 5 * 18
= 90
New Sum of observations
= 450 + 90
= 540
New Mean = 540/18
= 30
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