a. If we find that there is a linear correlation between the concentration of ca

Question

a. If we find that there is a linear correlation between the concentration of carbon dioxide (CO2) in our atmosphere and the global mean temperature, does that indicate that change in CO2 cause changes in the global mean temperature? Why or why not? (3)

b. Fifty-four wild bears were anesthetized, and then their weights and chest sizes were measured and listed. Use the data file named correlation.sav for this question. Compute r between the two variables using SPSS. Is there sufficient evidence to support the claim that there is a linear correlation between the weights of bears and their chest sizes. Copy and paste the correlation table. (4)

Explanation / Answer

a) there exists a linear correlation between co2 and mean temperature then we can say that if the concentration of co2 in our atmosphere changes then there is a significant change in the global mean temperatue.

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