The data shown to the right for the dependent variable, y, and the independent variable, x, have been collected using simple random sampling. y 90 10 13 90 a. Construct a scatter plot for these data. Based on the scatter plot, how would you describe the relationship between the two variables? b. Compute the correlation coefficient. 12 80 14 60 13 80 10 110 15 40 11 120 a. Which graph below shows a scatter plot for these data? O A. O B. OC. O D. 15- 15- 140- 140 10- 10 140 140 10 10 15 There appears to be linear relationship between x and y. b. What is the correlation coefficient? (Round to two decimal places as needed.) r=

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.