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Given the following data, find the weight that represents the 22nd percentile. Weights of Newborn Babies 7.87.95.85.85.7 5.66.98.77.97.8 7.56.77.58.85.7

Sagot :

Fichohidn

Answer:

Step-by-step explanation:

Given the data: 7.8 7.9 5.8 5.8 5.7 5.6 6.9 8.7 7.9 7.8 7.5 6.7 7.5 8.8 5.7

Rearranged data: 5.6, 5.7, 5.7, 5.8, 5.8, 6.7, 6.9, 7.5, 7.5, 7.8, 7.8, 7.9, 7.9, 8.7, 8.8

The 22nd percentile :

Percentile (i) = (P / 100) * n

Where i = rank, n = Same size ; P = pw cwntile.

P = 22 ; n = 15

i = (22/100) * 15

i = 3.3 rd

The 22nd percentile is equivalent to 4th data in the ordered set = 5.

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