Standard deviation
Find the standard deviation for the dataset (grouped data):
| Age (years) | No. Of Persons |
|---|---|
| 0-10 | 15 |
| 10-20 | 15 |
| 20-30 | 23 |
| 30-40 | 22 |
| 40-50 | 25 |
| 50-60 | 10 |
| 60-70 | 5 |
| 70-80 | 10 |
Correct answer:
Showing 1 comment:
Dr Math
Check also with our stddev calculator - input is given as frequency table:
https://www.hackmath.net/en/calculator/standard-deviation?input=5+15+25+35+45+55+65+75%0D%0Af%3A15+15+23+22+25+10+5+10
x is Mid Interval Value and f is frequency
https://www.hackmath.net/en/calculator/standard-deviation?input=5+15+25+35+45+55+65+75%0D%0Af%3A15+15+23+22+25+10+5+10
x is Mid Interval Value and f is frequency
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