Concept explainers
Bone Density Test. In Exercises 1–4, assume that scores on a bone mineral density test are
1. Bone Density Sketch a graph showing the shape of the distribution of bone density test scores.
To sketch: The graph showing the shape of the distribution of the bone mineral density test scores.
Answer to Problem 1CQQ
Explanation of Solution
Given info:
The bone density test scores follow a normal distribution with mean of 0 and standard deviation of 1.
Justification:
Here, the bone density test follows a normal distribution. Also, the graph of the normal distribution is bell shaped and is symmetric about the mean. Moreover, if the mean and standard deviation are 0 and 1, respectively, the distribution is known as standard normal distribution. Hence, the graph of the bone density test scores is bell-shaped
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