(a)
To explain the meaning of z score equal to -1.45 in regards of bone density of 25 year old women.
(a)
Explanation of Solution
The z score tells us how far the particular value is from the
Here, the z score equal to -1.45 means that the her bone density is 1.45 standard deviations less than the mean (956).
(b)
To calculate the value of standard deviation.
(b)
Explanation of Solution
Given:
Formula used:
Calculation:
Chapter 3 Solutions
Statistics Through Applications
Additional Math Textbook Solutions
Intro Stats, Books a la Carte Edition (5th Edition)
Introductory Statistics
An Introduction to Mathematical Statistics and Its Applications (6th Edition)
Introductory Statistics (10th Edition)
Elementary Statistics: Picturing the World (7th Edition)
Statistical Reasoning for Everyday Life (5th Edition)
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