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Fundamentals of Statistics | 4th Edition | ISBN: 9780321838704 | Authors: Michael Sullivan,III
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Solved: Relation between Income and Birthrate?The

Chapter 7, Problem 16AYU

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QUESTION:

Relation between Income and Birthrate?  The following scatter diagram drawn in StatCrunch shows the relation between median income (in dollars) in a state and birthrate (births per 1000 women 15 to 44 years old).

(a)Describe any relation that exists between median income and birthrate.

(b)One observation sticks out from the rest. Which one? This particular observation is for the state of Utah. Are there any explanations for this result?

(c)The correlation coefficient between median income and birthrate is -0.070. What does this imply about the relation between median income and birthrate?

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QUESTION:

Relation between Income and Birthrate?  The following scatter diagram drawn in StatCrunch shows the relation between median income (in dollars) in a state and birthrate (births per 1000 women 15 to 44 years old).

(a)Describe any relation that exists between median income and birthrate.

(b)One observation sticks out from the rest. Which one? This particular observation is for the state of Utah. Are there any explanations for this result?

(c)The correlation coefficient between median income and birthrate is -0.070. What does this imply about the relation between median income and birthrate?

ANSWER:

Answer :

Step 1

a)

By looking at the scatter diagram we say that there is no linear relation that exists between median income and birth rate.

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