Mathematics, 17.12.2019 22:31 ShilohTheBoy
Consumer reports rated 77 cereals on a scale of 0 to 100. the number of grams of sugar contained in each serving of the corresponding cereals was also recorded. using sugar as the explanatory variable and the consumer reports rating as the dependent variable, computer output of the data is as follows (the p- values are intentionally left blank): predictor coefstdevt onstant59.281.94830.43 sugars -241 024- -10.12 s-9.146 r-sq-57.7% r-sq(adj)-57.1% part a: what is the regression equation? part b: calculate the 95% confidence interval of the slope of the regression line for all cereals. part c: use the information provided to test whether there is a significant relationship between the sugar content and the consumer report rating at the 5% level.
Answers: 2
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Evaluate 8x2 + 9x − 1 2x3 + 3x2 − 2x dx. solution since the degree of the numerator is less than the degree of the denominator, we don't need to divide. we factor the denominator as 2x3 + 3x2 − 2x = x(2x2 + 3x − 2) = x(2x − 1)(x + 2). since the denominator has three distinct linear factors, the partial fraction decomposition of the integrand has the form† 8x2 + 9x − 1 x(2x − 1)(x + 2) = correct: your answer is correct. to determine the values of a, b, and c, we multiply both sides of this equation by the product of the denominators, x(2x − 1)(x + 2), obtaining 8x2 + 9x − 1 = a correct: your answer is correct. (x + 2) + bx(x + 2) + cx(2x − 1).
Answers: 3
Consumer reports rated 77 cereals on a scale of 0 to 100. the number of grams of sugar contained in...
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