Silicone implant augmentation rhinoplasty is used to correct congenital nose deformities. The success of the procedure depends on various biomechanical properties of the human nasal periosteum and fascia. An article reported that for a sample of 13 (newly deceased) adults, the mean failure strain (%) was 24.0, and the standard deviation was 3.4.

(22.41, 25.59)

Step-by-step explanation:

The t-critical value with 17 degrees of freedom for a 95% confidence interval is : 2.11

Sample mean = 24

Standard deviation = 3.2

Standard error of mean = s / √ n

Standard error of mean = 3.2 / √ 18

SE = 3.2/4.2426

Standard error of mean 0.7542

Confidence interval 24-(0.7542)(2.11) = 22.41 and

24+(0.7542)(2.11) =25.59

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