10. Chemical analysis of Zn in two different fields indicated the following results: Field A: 4 samples were analysed with average concentration 112.3 mg/kg. (standard devi. 4.5) Field B: 5 samples...


10. Chemical analysis of Zn in two different fields indicated the following results:<br>Field A: 4 samples were analysed with average concentration 112.3 mg/kg. (standard devi.<br>4.5)<br>Field B: 5 samples were analysed with average concentration 89.5 mg/kg. (standard devi<br>3.7)<br>t-table value at 95% confidence level and 7 degrees of freedom is 1.88<br>Which statement is correct?<br>A. The difference between experimental results is not significant (t-value = 8.3)<br>B. The difference between experimental results is not significant (t-value = 5.5)<br>C. The difference between experimental results is significant (t-value = 8.3)<br>D. The difference between experimental results is significant (t-value = 5.5)<br>%3D<br>%3D<br>

Extracted text: 10. Chemical analysis of Zn in two different fields indicated the following results: Field A: 4 samples were analysed with average concentration 112.3 mg/kg. (standard devi. 4.5) Field B: 5 samples were analysed with average concentration 89.5 mg/kg. (standard devi 3.7) t-table value at 95% confidence level and 7 degrees of freedom is 1.88 Which statement is correct? A. The difference between experimental results is not significant (t-value = 8.3) B. The difference between experimental results is not significant (t-value = 5.5) C. The difference between experimental results is significant (t-value = 8.3) D. The difference between experimental results is significant (t-value = 5.5) %3D %3D

Jun 10, 2022
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