Will the following variables have positive correlation, negative correlation, or

Question

Will the following variables have positive correlation, negative correlation, or no correlation ? interest rates on car loans and number of cars sold Will these variables have positive correlation, negative correlation, or no correlation? Positive No correlation Negative If the linear correlation between two variables is negative, what can be said about the slope of the regression line? Choose the correct answer below. Positive More information is needed Negative A contingency table relates_. two categories of data only continuous random variables a particular response with order in which that response should be applied the difference in the means of two random variables

Explanation / Answer

Interest on car loans sold if decreases have an effect of increasing sales due to public prefer to have loan to buy a car at a reduced interest rate.

Hence negative correlation

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If linear correlation is negative then slope = r sy/sx will also be negative since sy and sx are positive

So answer is C. Negative

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A contingency table (chi square) is used for discrete data. Under this observed and expected data as per some presumption is done.

Hence iii option is right.

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