Questions: 1. The strength of the correlation between two variables depends on t

Question

Questions:

1. The strength of the correlation between two variables depends on the sign of the coefficient of correlation. True or False

2. The coefficient of determination is the proportion of total variation in Y that is explained by X. True or False

3. The standard error of estimate measures the accuracy of a prediction. True or False

4. If the null hypothesis states that there is no difference between the mean net income of retail stores in Chicago and New York City, then the is two-tailed. True or False

5. Correlation analysis is a statistical technique used to measure the strength of the relationship between two variables. True or False

Explanation / Answer

1. Answer of this question is False because strength of the correlation between two variables depends on the value of the coefficient of correlation.

2.Answer of this question is True

3. Answer of this question is True

4.Answer of this question is False because test is whether two-tailed or one-tailed depends on an alternative hypothesis ,not on null hypothesis.

5.Answer of this question is True

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