Example No.1

Enter data:  3.1, 3.1, 3.2, 2.8, 2.9, 3.2, 2.7, 2.7, 3.3, 3.2, 3.9, 3.1 mmol.l^-1

1) Calculation of mean value:

2) Calculation of standard deviation (SD):

3) Calculation of variance:

Conclusion: Mean value of glucose level in blood serum in dairy cows is 3.1 mmol.l^-1 with standard deviation  0.3247 mmol.l^-1 and variance 0.1054 (mmol.l^-1)².

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