The correlation between two variables is +0.8 for a sample of 11 observations. W

Question

The correlation between two variables is +0.8 for a sample of 11 observations. What would be a proper conclusion? Use 0.02 level of significance. A. Reject H0. There is an association between the variables. B. Do not reject H0. There is an association between the variables. C. Reject H0. There is no association between the variables. D. Do not reject H0. There is no association between the variables. E. Do not reject H0. There is positive association between the variables. Statistics is best described as: A. Methods used to describe data B. Methods used to collect, organize, analyze, interpret and present data C. Methods that allow the statistician to make a prediction D. Methods that allow the statistician to say something about the population A method of dispersion that gives us an overall picture of the gap between all the data within a data set is (summaries all data in one number) A. Range. B. Inter-quartile range (Q3 – Q1). C. Mean. D. Standard deviation. E. coefficient of correlation

Explanation / Answer

The correlation between two variables is +0.8 for a sample of 11 observations. What would be a proper conclusion? Use 0.02 level of significance.

B. Do not reject H0. There is an association between the variables

Statistics is best described as

B. Methods used to collect, organize, analyze, interpret and present data

A method of dispersion that gives us an overall picture of the gap between all the data within a data set is

B. Inter-quartile range (Q3 – Q1)

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