Numerade

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Given are five observations for two variables, and . 581418205956491215 The estimated regression equation for these data is 80.85- 3.28x a. Compute , , and . (to decimals) (to decimals) (to decimals) b. Compute the coefficient of determination . Comment on the goodness of fit. (to decimals) The least squares line provided a - Select your answer -goodbadItem 5 fit; of the variability in has been explained by the estimated regression equation (to decimal). c. Compute the sample correlation coefficient. Enter negative value as negative number. (to decimals)

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How can a business determine relationships among different levels of demand and supply, based on price? Group of answer choices Using demand and supply curves Using degrees of competition Using surplus to shortage relationships Using market economies Using private enterprise competition

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A first-order reaction has a k = 0.010 s-1 at 27 oC with an activation energy of 50 kJ/mol. a. At what temperature would the reaction be twice as fast? (Assume A and concentration are unchanged) b. What is true of the rate at the temperature calculated in (a) compared to 27 oC? Why? b. How long would it take until only 10% of A remains? Report your answer in minutes. c. What is the half-life of A for this reaction? Report your answer in minutes.

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C) Rank the following acids in terms of acidities from strongest acid to weakest acid. \text{H}_3\text{C} \text{COOH} \text{F}_3\text{C} \text{CH}_2 \text{COOH} \text{F}_3\text{C} \text{COOH} \text{Cl}_3\text{C} \text{COOH}

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Determine the convergence or divergence of the following series. If the series converges, either find the sum or explain why you can't find the sum. sum_{n=1}^{infty} frac{1 cdot 3 cdot 5 cdots (2n-1)}{3^n cdot n!}

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The wholesale cost for the guitars that Bob pays the manufacturer. implicit cost or explicit cost

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Suppose that P E( ) = 0.82, P F( ) = 0.63, and ( E^C ∩ F ) = 0.12 . Find the following: P(E^C n F^C) = ?

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Fully describe the transformations that produce the graph of $g(x) = -\frac{1}{3}|x + 1| - 2$ from the graph of the parent function $f(x) = |x|$. Give the transformations in the order in which they must be performed to obtain the correct graph. $g(x) = -\frac{1}{3}|x + 1| - 2$

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The acid dissociation constant $K_a$ of boric acid ($H_3BO_3$) is $5.8 \times 10^{-10}$. Calculate the pH of a 1.2M solution of boric acid. Round your answer to 1 decimal place. pH =

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Assume that a sample is used to estimate a population proportion p. Find the 80% confidence interval for a sample of size 329 with 60% successes. Enter your answer as a tri-linear inequality using decimals (not percents) accurate to three decimal places. <p<

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claudia g.