20 POINTS AND BRAINLIEST!!! Three dentists wanted to compare the ages of their patients. They each calculated their patients’ me
an age and the mean absolute deviation of their ages. They displayed the results in a table.
Which statements are true?
Select each correct answer. YOU CAN PICK MORE THAN ONE ANSWER
A. Dr. Appiah’s patients’ ages vary more than do Dr. Cantwell’s patients’ ages.
B. Dr. Appiah’s patients’ ages vary less than do Dr. Singh’s patients’ ages.
C. Dr. Singh’s patients’ ages and Dr. Appiah’s patients’ ages vary about the same amount.
D. Dr. Cantwell’s patients’ ages and Dr. Singh’s patients’ ages vary about the same amount.
Which statements are true?
Select each correct answer. YOU CAN PICK MORE THAN ONE ANSWER
A. Dr. Appiah’s patients’ ages vary more than do Dr. Cantwell’s patients’ ages.
B. Dr. Appiah’s patients’ ages vary less than do Dr. Singh’s patients’ ages.
C. Dr. Singh’s patients’ ages and Dr. Appiah’s patients’ ages vary about the same amount.
D. Dr. Cantwell’s patients’ ages and Dr. Singh’s patients’ ages vary about the same amount.
1 answer:
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The shape of the normal distribution is bell shape and it is also symmetrical from the left and right sides about the origins (mean).
What is a normal distribution?
A normal distribution is a function on some random variables, which represent the set of all those random variables in a symmetrical bell shape about the mean value.
It shows that the probability of occurrence of some data which is distributed over a function is more at or around the mean.
It is also known as probability distribution curve.
The normal distribution has two parameters:
- Mean
- Standard deviation
What is the shape of the normal distribution?
The normal distribution curve is at it's peak at the mean value. This shows that the probability of occurrence of the data or value is more concentrated or distributed about the mean. It is also symmetric about the mean. As we more further from the mean, we see that the normal distribution curve gradually decreases showing that the probability of occurrence of the data or the values decreases. The shape that this curve forms is like a bell-shaped. So the shape of normal distribution is bell shape.
Hence, the shape of the normal distribution is bell shape and it is also symmetrical from the left and right sides about the origins (mean).
Know more about "normal distribution" here: brainly.com/question/15103234
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