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Author Question: Consider the following pairs of measurements:x13467y3681213a. Construct a scattergram for the ... (Read 75 times)

waynest

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Question 1

a. Complete the table.

xiyixi2xiyi
23
52
34
80
Totals Σ xi = Σ yi = Σ xi2 = Σ xiyi =
b.
Find SSxy, SSxx, β1, , , and 0.
c. Write the equation of the least squares line.

Question 2

Consider the following pairs of measurements:

x13467
y3681213

a. Construct a scattergram for the data.
b. What does the scattergram suggest about the relationship between x and y?
c. Find the least squares estimates of β0 and β1.
d. Plot the least squares line on your scattergram. Does the line appear to fit the data well?
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Marked as best answer by waynest on Feb 14, 2020

Shshxj

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waynest

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Reply 2 on: Feb 14, 2020
Excellent


Missbam101

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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