Consider the following statements:
1. If 10 is added to each entry on a list, then the average increases by 10.
2.If 10 is added to each entry on a list, then the standard deviation increases by 10.
3. If each entry on a list is doubled, then the average doubles.
Which of the above statements are correct?
Mathematics
2018
NDA Mathematics 2018
NDA 2018
Options
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