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0 Question 11 B 0.11 pt '0 3 3 99 (3' Details Using your favorite statistics software package, you generate a scatter plot with a
0 Question 11 B 0.11 pt '0 3 3 99 (3' Details Using your favorite statistics software package, you generate a scatter plot with a regression equation and correlation coefficient. The regression equation is reported as y = 53.583 + 55.49 and the 1" = 0.1392. What proportion of the variation in y can be explained by the variation in the values of x? r==| _|% Report answer as a percentage accurate to one decimal place. 0 Question 12 8 0:1 pt '0 3 1:5 99 G) Details Here is a bivariate data set. X '1' 38.3 89.5 1?.2 30 23.1 52.8 5.2 32.8 24.4 4?.1 19.1 45.8 29.1 25.1 14.3 15.3 -5 -8.3 20.5 41.9 23.9 23".? 45.6 114.2 415.? 122.6 34.8 24.9 39.1 106.3 This data can be downloaded as a \".csv file with this link: Download CSV Find the correlation coefficient and report it accurate to three decimal places. r=| | What proportion of the variation in y can be explained by the variation in the values of x? Report answer as a percentage accurate to one decimal place. R1=| |s 0 Question 13 B 0.11 pt '0 3 3 99 (D Details You generate a scatter plot using Excel. You then have Excel plot the trend line and report the equation and the 1'2 value. The regression equation is reported as y = 83.43:: + 40.04 and the r2 = 0.0324. What is the correlation coefficient for this data set? r=| | 0 Question 1 B on pt '0 3 3 99 G) Details A regression was run to determine if there is a relationship between hours of TV watched per day {x} and number of situps a person can do {y}. The results of the regression are: Linear Regression Equation: Param eter Estimate Intercept 31 .3'05 Slope {TV Hours} v0.82!) Ends]. Buymary Statistic Value Correlatio n Coefficient r Coefficient of Determination r2 -D.?56 O. 5?1 536 Assume the correlation is significant (p-value
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