Question

Given the following table of x and y values, test the claim that there is a linear correlation. Use a .05 significance level.

x|12 10 9 7 8

y | 182 169 155 140 144

For this particular problem, here’s the information you need to include:

Step 1 Ho= Ha=

Step 2 Signifcance level a=

Step 3

Test:

p-value:

Step 4 Conclusion

(Yes/No): Is there sufficient evidence to conclude that there is a linear correlation?

8. Find the regression equation for problem 7 and find a corresponding y value when x = 11. Is this a positive linear correlation or a negative linear correlation? Explain.

Regression Equation:

When ? = 11, ? =_______________

Circle one: Positive correlation Negative correlation

Explain how you know whether it is a positive or negative correlation:

Answer 1

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