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Concept explainers
The Coruro’s Burrow. The subterranean coruro (Spalacopus cyanus) is a social rodent that lives in large colonies in underground burrow that can reach lengths of up in 600 meters. Zoologists S. Begall and M. Gallardo studied the characteristics of the burrow systems of the subterranean coruro in central Chile and published their findings in the paper “Spalacopus cyanus (Rodentia: Octodontidae): An Extremist in Tunnel Constructing and Food Storing among Subterranean Mammals” (Journal of Zoology, Vol, 251, pp. 53–60). A sample of 51 burrows had the depths, in centimeters (cm), presented on the WeissStats site. Use the technology of your choice in do the following.
- a. Obtain a normal probability plot, boxplot, histogram, and stem- and-leaf diagram of the data.
- b. Based on your results from part (a), can you reasonably apply the t-interval procedure to the data? Explain your reasoning.
- c. Find and interpret a 90% confidence interval for the mean depth of all subterranean coruro burrows.
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Chapter 8 Solutions
Introductory Statistics, Books a la Carte Plus NEW MyLab Statistics with Pearson eText -- Access Card Package (10th Edition)
- stion Attempt: 1 of Unlimited Use the figure and follow the directions below. (a) Write two other names for 22. H. F 2 1 (b) Name the sides of 2GFE. (c) Name the vertex of 21. Check Save For Later ©2021 McGraw-Hill Education. All Rights Reserved. Tens DELL 10arrow_forwardWill someone help me with this problem? Sub parts d,e,farrow_forwardCan you please show parts H & I? I am unsure what the right answer is.arrow_forward
- - MAT X plackboard.azwestern.edu/webapps/assessment/take/launch.jsp?course_assessment_id%3D_108844_1&course_id%D_2248582_1&content id%3D_1743719 1&step3Dnull Path: p Words 0 QUESTION 3 An article in the New England Journal of Medicine, discussed a study on smokers in California and Hawaii. In one part of the report, the self-reported ethnicity and smoking levels per day were ggiven Of the people smoking at most ten cigarettes per day, there were 9,886 African Americans, 2,745 Native Hawaiians, 12,831 Latinos, 8,378 Japanese Americans and 7,650 whites.. Of the people smoking 11 to 20 cigarettes per day, there were 6,514 African Americans, 3,062 Native Hawaiians, 4,932 Latinos, 10,680 Japanese Americans, and 9,877 whites. Of the people smoking 21 to 30 cigarettes per day, there were 1,671 African Americans, 1,419 Native Hawaians, 1,406 Latinos, 4,715 Japanese Americans, and 6,062 whites. Of the people smoking at least 31 cigarettes per day, there were 759 African Americans, 788 Native…arrow_forwardParts k and l. Thank you!arrow_forwardi need help with parts d and e only, with work. thank you.arrow_forward
- 2) htudy the Spheical Coon dinater · Draw and dewhe the porition nector .arrow_forwardChapter 12 Q7:arrow_forwardA www-awn.aleks.com A 4/28: "My Papa's Waltz" Debate Assignment * PupilPath A ALEKS - Qamar Bazar-Area of Polygon HW Area of Polygon HW Question 3 of 5 (1 point) Question Attempt: 1 of 3 Qamar v Espetol A rectangular piece of paper with length 37 cm and width 16 cm has two semicircles cut out of it, as shown below. Find the area of the paper that remains. Use the value 3.14 for a, and do not round your answer. Be sure to include the correct unit in your answer. 37 cm 16 cm cm? cm cm Save For Later Submit Assignment Check O 2021 McGraw-Hill Education. All Rights Reserved Terms of Use I Privacy 1 Accessibility IIarrow_forward
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