Questions
Standard deviations for first 10 natural numbers is
a
5.5
b
3.87
c
2.97
d
2.87
detailed solution
Correct option is D
we know that, SD of first n natural numbers =n2−112∴ SD of first lo numbers =102−112 =100−112=9912=8.25=2.87Talk to our academic expert!
Similar Questions
What is the standard deviation of the following data?
| Measurement | 0 - 10 | 10 - 20 | 20 - 30 | 30 - 40 |
| Frequency | 1 | 3 | 4 | 2 |
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