57 67 77 87 Complete parts (a) through (e), given Er - 372, Ey - 112, E - 24814, Ey - 3198, Exy - 8254, and r-0.941. (a) Draw a scatter diagram displaying the data. Graph Layers Ater you add an object to te graph you can use Graph Lavers to view and edt s properties Webssign Graghing Teo (b) Verify the given sums Ex, Ey, E, Ey, Ery, and the value of the sample correlation coefficient r. (Round your value for r to three decimal places.) Ex Exy -[ (c) Find x, and y. Then find the equation of the least-squares line a+ bx. (Round your answers for x and y to two decimal places. Round your answers for a and b to three decimal places.) NO>O

%24 stang Express E Module 3 Ch 8 Calculation MindTap - Cengage Learning X MindTap - Cengage Learning X New ta Ô https://ng.cengage.com/static/nb/ui/evo/index.html?deploymentld%3D5996521842592485862331174767&elSBN=9780357131596&idD E Module 3 Ch 8 Calculation Exercise 08.58 Algo (Population Proportion) A USA Today/CNN/Gallup survey of 369 working parents found 205 who said they spend too little time with their children because of work commitments. a. What is the point estimate of the proportion of the population of working parents who feel they spend too little time with their children because of work commitments? (to 4 decimals) b. At 95% confidence, what is the margin of error? (to 4 decimals) c. What is the 96% confidence interval estimate of the population proportion of working parents who feel they spend too little time with their children because of work commitments (to 4 decimals)? O Icon Key Exercise 08.58 Algo (Population Proportion) a. dy 12 144 f5 f4 f3 & 23 8. 6. 5. 6. 4.

For each scenario below, choose the graph that gives the best representation. (a) A person standing on the ground throws a ball onto a flat rooftop. The ball rolls around for several seconds. Then the ball falls off the roof, Into a puddle of mud. Height Height Height Height of of of of the the the the LLLL Ball Ball Ball Ball 0 Time 0 Time 0 Time 0 Time O O Submit A Continue (1) W O S O Ⓒ2022 McGraw Hill LLC. All Rights Reserved. Terms of Use ed Privacy Center ✪