Identify the reasons the following statements are incorrect. Not all reasons wil

Question

Identify the reasons the following statements are incorrect. Not all reasons will be used. Researchers found that the correlation between daily high temperatures and the percentage of people using their air conditioners is r 0.83 °F The correlation between the advertised selling price of cars and the makes of the cars is r -0.69 The amount of ice cream in a sundae and the total grams of fat are highly correlated (1.15). The correlation between average gas mileage in miles per gallon and average highway speeds in miles per hour differs from the correlation between average .. . ....h gas mileage in miles per gallon and average highway speeds in kilometers per hour. Answer Bank Scroll Correlation should depend on units.Correlation should not depend on units.Both variables should be numerical One of the variables should be categorical. Correlation should be greater than 0

Explanation / Answer

Ans:

1)r is unitless i.e. Correlation should not depend on units.

2)Both variables should be numerical,but in this case,make of the car is not numerical,so incorrect.

3)Correlation should be between -1 and 1,as r=1.15,so it is incorrect.

4)Correlation should not depend on units,so it should be same for both cases.

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