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The mean and standard deviation of 10 observations are 35 and...

This question belongs to Commerce Business Statistics And Research Methods
Business Statistics and Research Methods
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The mean and standard deviation of 10 observations are 35 and 2 respectively.
List-I List-II
a. Changed mean if each observation is increased by 4 1. 39
b. Standard deviation if each observation is increased by 4 2. 2
c. Changed mean if each observation is multiplied by 5 3. 175
d. Changed standard deviation if each observation is multiplied by 5 4. 10

Answer & Solution
Correct Answer: Option A
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