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z Scores. In Exercises 5-8, express all z scores with two decimal places.
8. Plastic Waste Data Set 31 “Garbage Weight” in Appendix B lists weights (lb) of plastic discarded by households. The highest weight is 5.28 lb, the
a. What is the difference between the weight of 5.28 lb and the mean of the weights?
b. How many standard deviations is that [the difference found in part (a)]?
c. Convert the weight of 5.28 lb to a z score.
d. If we consider weights that convert to z scores between −2 and 2 to he neither significantly low nor significantly high, is the weight of 5.28 lb significant?
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Chapter 3 Solutions
Essentials of Statistics Plus MyLab Statistics with Pearson eText -- Access Card Package (6th Edition) (What's New in Statistics)
Additional Math Textbook Solutions
Intro Stats
Introductory Statistics
Elementary Statistics
Fundamentals of Statistics (5th Edition)
An Introduction to Mathematical Statistics and Its Applications (6th Edition)
Introductory Statistics (10th Edition)
- Glencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw HillBig Ideas Math A Bridge To Success Algebra 1: Stu...AlgebraISBN:9781680331141Author:HOUGHTON MIFFLIN HARCOURTPublisher:Houghton Mifflin Harcourt
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