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.

Ian Harrigan asked Mar 28, 2022

358,086 views

21 votes

Ian Harrigan asked Mar 28, 2022

2.6k points

Your comment on this question:

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Email me at this address if my answer is selected or commented on:Email me if my answer is selected or commented on

Privacy: Your email address will only be used for sending these notifications.

13 votes

Answer:

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:

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

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

JoshVarga answered Apr 1, 2022

2.7k points

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

1.6m questions

2.0m answers