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Unformatted text preview: value of r=0.923 is then computed and shown to exceed the critical value for this data. The data is double checked and verified. This shows that car wrecks cause ice cream sales. 1) True. Because it can be expressed as x>200. The sample mean is equal to the population mean. 2) False. Because this statement is saying that there is a strong linear relationship between the two variables. 3) True 4) False. Because r would not change if it was converted by 12 inches it would still be the same number no matter the conversion. 5) False. Relevance cannot be concluded from this data. They would have to be dependent on one another to be able to reject or accept the claim as the cause of the crashes. 6) False. R will only show the correlation between the two it will not show if the one causes the other. When one value increases or decreases the other value shows the correlation will increase or decrease with the value....
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- Fall '11