Question

Con
of the observations.
Calculate standard deviation of the following grades obtained by 20 students in an examination:
The following data gives the annual crop in kilograms from 10 experimental farms :
Find the mean and standard deviation of annual yield.
2040,
2080, 2060, 2110, 2090
62, 85, 73, 81, 74, 58, 66, 72, 54, 84, 65, 50, 83, 62, 85, 52, 80, 86, 71, 75
2020, 2100,
2030, 2070, 2060,
6
4.
cons involved :
Find out mean and standard deviation of the following distribution:
of Accidents: 0
1 2 3 4 5
7 8 9 10 11 12
16 16 21 10 16 8
2 1 2 2 0
02​

Answer 1

Answer:

thanks for points

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