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QUESTION 5 An agronomist measured the heigths of n corn plants. The mean hight was 220 cm and the standard deviation was 15 cm. Calculate

QUESTION 5 An agronomist measured the heigths of n corn plants. The mean hight was 220 cm and the standard deviation was 15 cm. Calculate the standard error of the mean if n=25. 3.0 O 45 O 0.6 8.8

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