On a standard measure of hearing ability the mean is

Caroline Elliott

Caroline Elliott

Answered question


On a standard measure of hearing ability the mean is 300 and the standard deviation is 20. What is the z-score for a person who scores 260?

Answer & Explanation

Kaitlynn Noble

Kaitlynn Noble

Beginner2022-01-29Added 12 answers

Using the formula z=xxs where x is the data point you're evaluating, x is the mean of the data set, and s is the sample standard deviation, we plug in the numbers were given to get:


Beginner2022-01-30Added 12 answers

Z score for someone with 260:
It is simply how many units of "20" the persion deviates from the mean "300". The person who scores 260 deviates two standard deviations of "20" from the mean.

Do you have a similar question?

Recalculate according to your conditions!

New Questions in College Statistics

Ask your question.
Get an expert answer.

Let our experts help you. Answer in as fast as 15 minutes.

Didn't find what you were looking for?