(5.55 Data on salmon availability (x) and the percentage of eagles in the air (y) were given in the previous exercise. a. Calculate the correlation coefficient for these data. b. Because the scatterplot of the original data appeared curved, transforming both the x and y values by taking square roots was suggested. Calculate the correlation coef- ficient for the variables Vi and Vy. How does this value compare with that calculated in Part (a)? Does this indi- cate that the transformation was successful in straighten- ing the plot?

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Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.