Question

Consider a set of data in which the sample mean is 26.826.8 and the sample standard deviation is 7.97.9. Calculate the z-score given that x.

Answer 1

The answer is "0.59".

Explanation:

Please find the whole question in the attached file.

Given:

`\mu=26.8\\\\\sigma=6.4\\\\X=30.6`

Using formula:

`z=(X-\mu)/(\sigma)`

`=(30.6-26.8)/(6.4)\\\\=(3.8)/(6.4)\\\\=(380)/(640)\\\\=(38)/(64)\\\\=(19)/(32)\\\\=0.59375\approx 0.59`