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Scatter plot and correlation:
1) Cause of Global Warming If we find that there is a linear correlation between the concentration of carbon dioxide (Co2) in our atmosphere and the global temperature; does that indicate that changes in the concentration of carbon dioxide cause changes in the global temperature? Why or why not?
2) a. Construct a scatter plot.
b. Find the value of the linear correlation coefficient r, and then determine whether there is sufficient evidence to support the claim of a linear correlation between the two variables.
c. Identify the feature of the date that would be missed if part (b) was completed without constructing the scatter plot.
X
10
8
13
9
11
14
6
4
12
7
5
Y
9.14
8.14
8.74
8.77
9.26
8.10
6.13
3.10
9.13
7.26
4.74
Make a scatter plot, illustrate the regression lines. Determine the correlation coefficient between husband’s and wife’s education for couples in which wife is employed full time?
Let S = {c, h, j, q, t, y} be a sample space of an experiment and let E = {c, h}, F = {c, q, y}, and G = {h, j, t} be events of this experiment. (Enter your answers using roster notation. Enter Ø for the empty set.)
What is the equation for this regression model?
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