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4.6 Homework
By CHRISTOPHER HOWELL
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Last updated over 2 years ago
7 questions
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Note from the author:
Analyzing lines of fit.
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Question 1
1.
The table shows the growth y (in inches) of an elk’s antlers during week x. The equation models the data.
Use the line of fit and the residuals to interpret the strength and direction of the correlation.
There is a strong positive correlation
There is a strong negative correlation
There is a weak positive correlation
There is a weak negative correlation
Question 2
2.
Tell whether a correlation is likely in the situation. If so, tell whether there is a causal relationship.
favorite color and color of shoes
__________
__________
Question 3
3.
Tell whether a correlation is likely in the situation. If so, tell whether there is a causal relationship.
a person’s hair color and job
__________
__________
Question 4
4.
Solve the inequality:
Question 5
5.
MODELING REAL LIFE
You buy two tickets to an escape room using a coupon for $5 off your entire purchase. You pay a total of $48.15, which
includes 7% sales tax. What is the original price of one ticket?
Question 6
6.
Write equations of the horizontal and vertical lines that pass through (−3, 12).
Horizontal line: _______
Vertical line: _______
Question 7
7.
Write an equation in any form of the line shown.