Consulte cinco ejemplos de género dramático
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The average score of the student in the class at a 99% confidence lies between 1.252 and 3.028
Explanation:
Given values are
n = 14 = 2.14 σ = 1.29 z value for 99% confidence = 2.576
The mean is known one
= (z σ/√14)
= (2.576 ×1.29÷√14)
= 2.576 × 0.345
= 0.888
= mean- 0.888 = 2.14 - 0.888 = 1.252
= mean+0.888 = 2.14 + 0.888 = 3.028
The average score of the students in the class at a 99% confidence lies between 1.252 and 3.028