Use technology to(a) construct and graph a probability distribution and(b) describe its shape.The number of computers per household in a small town Computers 0 1 2 3 Households 303 276 94 24 (a) Construct the probability distribution by completing the table below. x P(x) 0 0.435 1 0.396 2 0.135 3 0.034 (Round to […]
Again, consider IQ (normally distributed, mean = 100, standard deviation =15).a) 20% of all IQ’s are above what value? 20% are below what value? b) for a sample of size 40, 20% of all sample average IQ’s are above what value? 20% of all sample average IQ’s are below what value? Looking for a […]
The equation used to predict the total body weight (in pounds) of a female athlete at a certain school is y with caret equals negative 124 plus 3.05 x 1 plus 2.05 x 2 where x1is the female athlete’s height (in inches) and x2 is the female athlete’s percent body fat, measured as x2%. Use […]
Use the value of the linear correlation coefficient to calculate the coefficient of determination. What does this tell you about the explained variation of the data about the regression line? About the unexplained variation? r= -0.589 Calculate the coefficient of determination.nothing (Round to three decimal places as needed.) What does this tell you about the […]
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